Find the standard normal area for each of the following (LAB)Round answers to 4 decimals

Find The Standard Normal Area For Each Of The Following (LAB)Round Answers To 4 Decimals

Answers

Answer 1

The answer of the standard normal area for each of the following questions are given below respectively.

What is standard normal area?

Standard normal area refers to the area under the standard normal distribution curve, which is a normal distribution with a mean of 0 and a standard deviation of 1.

a. P(1.24<Z<2.14) = 0.0912

b. P(2.03 <Z<3.03) = 0.0484

c. P(-2.03 <Z<2.03) = 0.9542

d. P(Z > 0.53) = 0.2977

Note: The standard normal distribution is a continuous probability distribution with mean 0 and standard deviation 1. The area under the curve represents probabilities and can be calculated using a standard normal distribution table or a calculator with a normal distribution function.

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Related Questions

|x+6|<3 absolute value inequality, write an equivalent compound inequality.

Answers

An equivalent cοmpοund inequality is -9 < x < -3.

What is an absοlute value inequality?

An inequality with an absοlute value algebraic expressiοn and variables is knοwn as an absοlute value inequality. An expressiοn using absοlute functiοns and inequality signs is knοwn as an absοlute value inequality.

Here, we have

Given: |x+6|<3 is an absοlute value inequality.

Apply absοlute rule

if |u|<a, a>0 then -a<u<a

-3 < x+6 <3

x+6 > -3 and x+6 <3

x> -9 and x< -3

-9 < x < -3

Hence, an equivalent cοmpοund inequality is -9 < x < -3.

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A major cab company in Chicago has computed its mean fare from O'Hare Airport to the Drake Hotel to be $27.87, with a standard deviation of $3.50. Based on this information, complete the following statements about the distribution of the company's fares from O'Hare Airport to the Drake Hotel.

(a) According to Chebyshev's theorem, at least __of the fares lie between 20.87 dollars and 34.87 dollars.
(b) According to Chebyshev's theorem, at least 84% of the fares lie between ____
and ____. (Round your answer to 2 decimal places.)
(c) Suppose that the distribution is bell-shaped. According to the empirical rule, approximately 99.7% of the fares lie between _____ and ______.
(d) Suppose that the distribution is bell-shaped. According to the empirical rule, approximately ____ of the fares lie between 20.87 dollars and 34.87 dollars.

Answers

The percentage of fares for a cab company in Chicago that fall within certain standard deviation ranges from the mean fare from O'Hare Airport to the Drake Hotel is calculated Using Chebyshev's theorem:

What is standard deviation?

Standard deviation is a measure of the amount of variation or dispersion of a set of data values from their mean (average) value. In other words, it measures how spread out the data is from the average.

(a) According to Chebyshev's theorem, at least 75% of the fares lie between 20.87 dollars and 34.87 dollars.

(b) According to Chebyshev's theorem, at least 84% of the fares lie between $18.37 and $37.37. (Round your answer to 2 decimal places.)

(c) Suppose that the distribution is bell-shaped. According to the empirical rule, approximately 99.7% of the fares lie between $14.37 and $41.37.

(d) Suppose that the distribution is bell-shaped. According to the empirical rule, approximately 95% of the fares lie between 20.87 dollars and 34.87 dollars.

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A charge Q1 = –1.6 x 10–6 coulomb is fixed on the x–axis at +4.0 meters, and a charge Q2 = + 9 x 10–6 coulomb is fixed on the y–axis at +3.0 meters, as shown on the diagram above. a. i. Calculate the magnitude of the electric field E1 at the origin O due to charge Q1. ii. Calculate the magnitude of the electric field E2 at the origin O due to charge Q2. iii. On the axes below, draw and label vectors to show the electric fields E1 and E2 and also indicate the resultant electric field E at the origin.

Answers

a. The magnitude and direction of the electric field E at the origin O due to the two charges is 2.29 × 10⁴ N/C.

b. The electric potential V at the origin is zero

a. To find the electric field at the origin, we need to consider the electric forces that each charge exerts on a positive test charge placed at that point. The magnitude of the electric field E at the origin is given by the formula:

E = k * |Q₁| / r₁² + k * |Q₂| / r₂²,

where k is Coulomb's constant, |Q₁| and |Q₂| are the magnitudes of the charges, and r₁ and r₂ are the distances from each charge to the origin.

In this case, Q₁ = − 1.6 × 10⁻⁶ C and Q₂ = + 9 × 10⁻⁶ C, so the magnitude of the electric field at the origin is:

E = k * |Q₁| / r₁² + k * |Q₂| / r₂²

= 9 × 10⁹ N·m²/C² * |− 1.6 × 10⁻⁶ C| / (4 m)² + 9 × 10⁹ N·m²/C² * |+ 9 × 10⁻⁶ C| / (3 m)²

= 2.29 × 10⁴ N/C.

b. To find the electric potential at the origin, we need to integrate the electric field from infinity to the point in question. The electric potential V at the origin is given by the formula:

V = − ∫ E · dr

where the integral is taken along any path from infinity to the origin. Since the electric field is conservative, the value of the integral does not depend on the path taken.

Therefore, we can choose a path that goes straight from infinity to the origin, and the integral simplifies to:

V = − ∫ E · dr = − E ∫ dr = − E x r,

where r is the distance from the origin to the point where the test charge is located. Since we are interested in the potential at the origin, we set r = 0 and obtain:

V = 0.

Therefore, the electric potential at the origin is zero, which means that the potential energy of a test charge placed at the origin is the same as the energy of a charge at infinity.

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Complete Question:

A charge Q₁ = − 1.6 × 10⁻⁶ C is fixed on the x-axis at +4 m, and a charge Q₂ = + 9 × 10⁻⁶ C is fixed on the y-axis at +3.0 m.

a. Calculate the magnitude and direction of the electric field E at the origin O due to the two charges. Draw and clearly label this vector on a coordinate axis.

b. Calculate the electric potential V at the origin.

An 8-year project is estimated to cost $448,000 and have no residual value. If the straight-line depreciation method is used and the average rate of return is 9%, determine the
average annual income.

Answers

Therefore , the solution of the given problem of average comes out to be the average yearly income is $67,200.

Explain average.

The exact number that constitutes the mean in a group with structure is its median value. In this instance, as opposed to being a typical measurement, the percentage ratio among the lowest and greatest 50% of the collection is a probability measurement. Different methods may be employed to determine the centre and mode of any odd or strange numbers.

Here,

The following formula is used to determine the project's yearly depreciation:

=> (Initial cost – Residual worth) / (Useful life) = Annual Depreciation

The project's useful life is 8 years, and since there is no residual worth, the annual depreciation is as follows:

=> Depreciation per year =  ($448,000 - $0) / 8 = $56,000

The annual average income is calculated as the original cost multiplied by the initial rate of return, divided by the number of years of useful life:

Average yearly revenue is calculated as follows:

=> (Annual depreciation + Average rate of return x Initial cost) / Useful life

When we change the numbers, we obtain:

=> ($56,000 + 0.09 x $448,000) / 8 = $67,200 annually is the average yearly income.

The average yearly income is therefore $67,200.

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Identify the property illustrated by the statement 7•19 is a real number

Answers

In response to the stated question, we may state that The supplied multiply statement does not demonstrate any of these qualities.

what is multiply?

Multiplication is one of the four mathematical operations, along with arithmetic, subtraction, and division. Multiplication is the mathematical term for continually adding subgroups of similar size. The formula for multiplication is multiplicand multiplier gives product. More specifically, multiplicand: initial number (factor). Number two can be used as a divider (factor). The result is known as the result after splitting the multiplicand and multiplier. Adding numbers requires numerous additions. 5 times 4 equals 5 x 5 x 5 x 5 = 20. I calculated it by multiplying 5 by 4. This is why multiplication is frequently referred to as "doubling."

The property represented by the line "7 • 19 is a real number" is the multiplication closure property.

When any two real numbers are multiplied, the result is always a real number, according to the closure feature of multiplication. 7 and 19 are both genuine numbers in this situation, and their product is likewise a real number.

The associative feature of multiplication asserts that factor grouping has no effect on the result. According to the multiplicative identity property, every integer multiplied by one equals itself. According to the inverse property of multiplication, any nonzero real number has a reciprocal whose product is equal to 1. The supplied statement does not demonstrate any of these qualities.

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In a middle school library, there are currently 6 boys and 7 girls. If two students are selected at random what is the probability that both are boys?

Answers

Answer:

unlikely as there are more girls but there could be 1 boy and girl as this is probability

Step-by-step explanation:

Monique and Tara each make an ice-cream sundae. Monique gets 2 scoops of Cherry ice-cream and 1 scoop of Mint Chocolate Chunk ice-cream for a total of 71 g of fat. Tara has 1 scoop of Cherry and 2 scoops of Mint Chocolate Chunk for a total of 61 g of fat. How many grams of fat does 1 scoop of each type of ice cream have?​

Answers

The factors in the word problem for the amount of fat in the ice cream

combination are given by the fat in each constituent.

The amount of fat in Cherry ice-cream is 27 grams.The amount of fat in the Mint Chocolate Chunk ice-cream is 17 grams.

Reasons:

The given parameters are;

Let C represent the amount of fat in Cherry ice-cream, and let M represent

the amount of fat in Mint Chocolate Chunk ice-cream, we get;

2·C + M = 71...(1)

C + 2·M = 61...(2)

Multiplying equation (1) by 2 and then subtracting equation (2) from the

result gives;

2 × (2·C + M) = 2 × 71

4·C + 2·M = 142...(3)

(4·C + 2·M) - (C + 2·M) = 142 - 61

3·C = 81

[tex]C=\dfrac{81}{3} =27[/tex]

The amount of fat in Cherry ice-cream C = 27 grams

2 × 27 + M = 71

M = 71 - 2 × 27 = 17

The amount of fat in the Mint Chocolate Chunk ice-cream, M = 17 grams

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Select all the expressions that are equivalent to (12 + x)10.5.
It’s multiple choice and these are the answers
10.5(12x)
(10.5 + 12 + x)
10.5(12 + x)
126x
126 + 10.5x
22.5 + x

Answers

Answer:
126+10.5x

Step-By-Step:

a homogeneous wire is bent into the shape shown. determine the x coordinate of its centroid by direct integration. express your answer in terms of a.

Answers

The x coordinate of the centroid of the wire with y=kx^(3/2) and x and y intercept a is 0.546a. The y coordinate is 8a/5.

To find the centroid of the wire, we need to find the area and first moments of the wire, which are given by:

Area, A = ∫y dx, where x ranges from -a to a

First moment with respect to x, Mx = ∫xy dx, where x ranges from -a to a

Then the x coordinate of the centroid is given by:

xc = Mx / A

We can start by finding the area:

A = ∫y dx = ∫kx^(3/2) dx = (2/5)kx^(5/2) + C

At x = a, y = 0, so C = - (2/5)ka^(5/2)

At x = -a, y = 0, so A = 2(2/5)ka^(5/2) = (4/5)ka^(5/2)

Now we need to find the first moment with respect to x:

Mx = ∫xy dx = ∫kx^(5/2) dx = (2/7)kx^(7/2) + C'

At x = a, y = 0, so C' = - (2/7)ka^(7/2)

At x = -a, y = 0, so Mx = 0

Therefore, the x coordinate of the centroid is:

xc = Mx / A = 0 / [(4/5)ka^(5/2)] = 0

This means that the centroid lies on the y-axis. To find its y coordinate, we can use the formula:

yc = ∫x dy / A = ∫x (dy/dx) dx / A

Using the equation y = kx^(3/2), we can find dy/dx:

dy/dx = (3/2)kx^(1/2)

Substituting this into the formula for yc and simplifying, we get:

yc = (4/5)ka^(5/2) / (5/8)ka^(5/2) = (8/5)a

Therefore, the coordinates of the centroid are (0, 8/5 a), and the y coordinate is (8/5)a.

To find the x coordinate of the centroid, we need to use the formula:

xc = (1/A) ∫x y dx

We already found the expression for the area A, so we just need to evaluate the integral:

xc = (1/A) ∫x y dx = (1/A) ∫x kx^(3/2) dx

Integrating this by substitution with u = x^(1/2), we get:

xc = (2/5a^(5/2)) ∫u^4 du = (2/5a^(5/2)) (u^5/5) + C

where C is a constant of integration.

At x = a, y = 0, so u = a^(1/2) and C = -(2/25)a^(5/2).

At x = -a, y = 0, so the contribution to the integral is zero.

Therefore, the x coordinate of the centroid is:

xc = (2/5a^(5/2)) (u^5/5) - (2/25a^(5/2)) = (2/25)a(5√2 - 1)

Plugging in a = 1, we get:

xc = 0.546a

So the x coordinate of the centroid is 0.546 times the x and y intercept value a.

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_____The given question is incomplete, the complete question is given below:

a homogeneous wire is bent into the shape shown of graph y = kx^(3/2), x and y intercept is 'a'. determine the x coordinate of its centroid by direct integration. express your answer in terms of a. Also find y- coordinate.

High school students across the nation compete in a financial capability challenge each year by taking a nation financial capability challenge exam(URGENT)

Answers

The standard deviation that the student would have in order to be publicly recognized is given as 1.17

How to solve for the standard deviation

We would have to assume that the students score follows a normal distribution

This is given as

X ~ (μ, σ)

(μ, σ) are the mean and the standard deviation

1 - 12 percent =

0.88 = 88 percent

using the excel function given as NORMS.INV() we would find the standard deviations

=NORM.S.INV(0.88)

= 1.17498

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A student would have to score approximately 0.89 standard deviations above the mean to be in the top 12% and be publicly recognized.

How do we calculate?

we can use the empirical rule to estimate the number of standard deviations a student has to score above the mean to be in the top 12 percent, assuming it is a normal distribution

The empirical rule states that for a normal distribution:

Approximately 68% of the data falls within one standard deviation of the mean.Approximately 95% of the data falls within two standard deviations of the mean.Approximately 99.7% of the data falls within three standard deviations of the mean.

we will use the complement rule since our aim is to find the number of standard deviations a student has to score above the mean to be in the top 12%.

The complement of being in the top 12% is being in the bottom 88%.

From the empirical rule, we have that 68% of the data falls within one standard deviation of the mean.

Therefore, the remaining 32% (100% - 68%) falls outside one standard deviation of the mean.

Since we want to find the number of standard deviations a student has to score above the mean to be in the bottom 88%, we can assume that the remaining 32% is split evenly between the two tails of the distribution.      

Applying the z-score formula:

z = (x - μ) / σ

The z-score for a cumulative area of 0.44 is approximately -0.89  found by looking up the z-score corresponding to the cumulative area of 0.44 (half of 0.88) in a standard normal distribution table.

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I need help with this

Answers

The line segment AB and CB are perpendicular to each other.

How to determine if a line is perpendicular?

Check whether the slopes of the lines are the negative reciprocals of one another to see if they are perpendicular to one another. The steps are as follows:

Using the following formula, get the slope of the first line:slope is equal to (y-change) / (change in x)where the "change in y" refers to the difference between the y-coordinates of two points on the line, and the "change in x" refers to the difference between the x-coordinates of the same two places.Using the same formula, determine the slope of the second lineTake the first slope's negative reciprocal by turning it upside down and altering its sign. For instance, the negative reciprocal of the first line's slope of 2/3 is -3/2.Check if the second slope is equal to the negative reciprocal of the first slope. If it is, then the lines are perpendicular.

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Mrs. Young has p goats and q cows on his farm. He has 23 fewer cows than goats.

What are the missing values in the table?

PLSSSS QUICK

Answers

Step-by-step explanation:

35:12

40:17

45:22

50:27

55:32

perpendicular y= 1/2 x +4 (-8, 3)
show your work by the way
this is for normal math class 9th grade.

Answers

Answer:

To find the perpendicular line to the line y = 1/2x + 4 that passes through the point (-8, 3), we can follow these steps:

Determine the slope of the given line. The line y = 1/2x + 4 is in slope-intercept form (y = mx + b), where the slope is m = 1/2.

Find the negative reciprocal of the slope from step 1 to obtain the slope of the perpendicular line. The negative reciprocal of 1/2 is -2, so the slope of the perpendicular line is -2.

Use the point-slope form of a line (y - y1 = m(x - x1)) and plug in the slope from step 2 and the point (-8, 3) to find the equation of the perpendicular line.

y - 3 = -2(x + 8)

Simplifying this equation gives:

y = -2x - 13

Therefore, the equation of the perpendicular line passing through (-8, 3) is y = -2x - 13.

For the graph, find the average rate of change on the intervals given

See attached picture

Answers

The average rate of change on the intervals [0, 3], [3, 5], [5, 7], and [7, 9] are 2, -1.5, 1, and -1.5, respectively.

What is the average rate in math?

It expresses how much the function changed per unit on average during that time period. It is computed by taking the slope of the straight line connecting the interval's endpoints on the function's graph.

To calculate the average rate of change for the intervals shown in the graph, we must first determine the slope of the line connecting the endpoints of each interval.

0-3 interval:

Because the interval's endpoints are (0, 1) and (3, 7), the slope of the line connecting them is:

slope = (y change) / (x change) = (7 - 1) / (3 - 0) = 2

pauses [3, 5]:

Because the interval's endpoints are (3, 7) and (5, 4), the slope of the line connecting them is:

slope = (y change) / (x change) = (4 - 7) / (5 - 3) = -1.5

[5–7] Interval:

Because the interval's endpoints are (5, 4) and (7, 6), the slope of the line connecting them is:

slope = (y change) / (x change) = (6 - 4) / (7 - 5) = 1

Interval 7 and 9:

Because the interval's endpoints are (7, 6) and (9, 3), the slope of the line connecting them is:

slope = (y change) / (x change) = (3 - 6) / (9 - 7) = -1.5

As a result, the average rate of change on the intervals [0, 3], [3, 5], [5, 7], and [7, 9] is 2, -1.5, 1, and -1.5.

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Question 24 (2 points)
Suppose a race takes place involving 15 participants. In how many different ways can
the top three finishers be arranged?
3
15
455
2730

Answers

Answer: The top three finishers can be arranged in 15 x 14 x 13 ways, since there are 15 choices for the first place, 14 choices for the second place (since one person has already been selected for first place), and 13 choices for the third place (since two people have already been selected for first and second place).

So the answer is:

15 x 14 x 13 = 2730

Therefore, the top three finishers can be arranged in 2730 different ways. Answer: 2730.

Step-by-step explanation:

Answer:

[tex]2730[/tex]

Step-by-step explanation:

We can solve this problem without using any complex formulas, though there is a formula for solving such problems

Out of the 15 participants, only one participant can be in first place but this can be any one of the participants

So choice for first place = 15 participants

Once a participant has won in the first place, there are 14 remaining participants who can come second place

For third place there are only 13 participants who can make it

The total number of ways in which top three participants can be arranged is

15 x 14 x 13 = 2730 ways

The formula is

[tex]P(n, r ) = \dfrac{n!}{(n-r)!}[/tex]

where n is the population to be considered; here n = 15

r = number of items to be considered ; here r = 3

[tex]P(n, r)[/tex] sometimes written as [tex]_nP_r[/tex] represents the number of subsets  r that can be taken from a larger set  n when the order of the subset matters.

using the formula we get

[tex]P(n, r ) = \dfrac{15!}{(15-3)!} = \dfrac{15!}{12!} = 15 \times \ 14 \times 13 = 2730[/tex]

Bria is a customer who would like to display her collection of soap carvings on top of her bookcase. The collection needs an area of 300 square inches. What should b equal for the top of the bookcase to have the correct area? Round your answer to the nearest tenth of an inch. I need help D:
Please !!!!​

Answers

Therefore, the width of the top of the bookcase should be 12 inches to have an area of 300 square inches.

What is area?

In mathematics, area is a measure of the size of a two-dimensional region or surface. It is usually expressed in square units, such as square meters or square inches. The area of a flat surface is the amount of space inside its boundary or perimeter. The formula for calculating the area of various shapes can vary, but it typically involves measuring the length and width of the shape and using a mathematical formula to find the product of these two dimensions. For example, the area of a rectangle can be found by multiplying its length by its width, while the area of a circle can be found by multiplying pi (approximately 3.14) by the square of its radius.

Here,

Let's assume that the top of the bookcase is a rectangle with length (L) and width (b), so its area is given by the formula:

A = L * b

We are told that Bria's soap carving collection needs an area of 300 square inches. Therefore, we can write:

300 = L * b

Solving for b, we can divide both sides by L:

b = 300 / L

We don't know the value of L, but we can assume that it's some value that Bria has already determined. We just need to find the corresponding value of b that satisfies the equation.

For example, if Bria decides that the length of the top of the bookcase should be 20 inches, we can substitute L = 20 into the equation above:

b = 300 / 20 = 15 inches

So in this case, the width of the top of the bookcase should be 15 inches in order to have an area of 300 square inches.

If Bria decides on a different value of L, we can plug it into the equation to find the corresponding value of b. For instance, if she decides that L should be 25 inches:

b = 300 / 25 = 12 inches

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h=p√m2+n find the value of h when p = 3, n=20 , m=6

Answers

Answer:

We can substitute the given values of p, m, and n into the formula for h:

h = p√(m^2 + n)

h = 3√(6^2 + 20)

h = 3√(36 + 20)

h = 3√56

We can simplify this by factoring 56 into its prime factors:

h = 3√(2^3 × 7)

h = 3 × √(2^2 × 7) × √2

h = 3 × 2√7

Therefore, when p = 3, n = 20, and m = 6, the value of h is 6√7 or approximately 13.42.

A textbook store sold a combined total of 228 psychology and biology textbooks in a week. The number of psychology textbooks sold was 58 more than the number of biology textbooks sold. How many textbooks of each type were sold?
Number of psychology textbooks sold:

Number of biology textbooks sold:

Answers

The number of textbooks sold were;

Psychology textbooks : 143

Biology textbooks: 85

How to determine the value

First, we have to determine the algebraic expression.

Let the number of biology textbooks by y

The number of psychology textbooks be 58 + y

The total number of textbooks is 228

Now, substitute the values

58 + y + y = 228

collect the like terms

y + y = 228 - 58

add or subtract the like terns

2y = 170

Divide by the coefficient of y

y = 170/2

y = 85 textbooks

Psychology textbooks = 58 + y = 58 + 85 = 143 textbooks

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if you have 96 houses and you sell 1/4 of the houses you have one six remaining what are the total number houses you have left ​

Answers

Step-by-step explanation:

that does not make any sense at all. if you copied this correctly, then many greetings to your teacher. this, as it is written, is not possible.

you have 96 houses.

when you sell 1/4 of the houses, (= 96 × 1/4 = 24) you have 3/4 of the houses left (= 96 × 3/4 = 96 - 96 × 1/4 = 72).

so, what you have left are 3/4 of the houses. NOT 1/6.

3/4 is NOT 1/6.

1/6 of the original 96 houses is

96 × 1/6 = 96/6 = 16 houses

but if 72 (the remaining houses after the first sell of 1/4) is supposed to be 1/6, then the total number of houses at the beginning would have been

72 × 6 = 432 houses. NOT 96.

so, you see, this is again NOT possible. no matter how we twist and turn it.

Suppose that 13% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?

Answers

Step-by-step explanation:

If 13% of people own dogs, then the probability that a randomly selected person owns a dog is 0.13. Assuming that the ownership of dogs is independent between people, the probability that two randomly selected people both own a dog is equal to the product of their individual probabilities:

P(both own a dog) = P(1st person owns a dog) * P(2nd person owns a dog | 1st person owns a dog)

P(both own a dog) = 0.13 * 0.13

P(both own a dog) = 0.0169

Therefore, the probability that two people picked at random both own a dog is 0.0169 or approximately 1.69%.

In a closely contested school bond election, polling indicates that 50% of voters are in favor of the bond. Assume central limit theorem conditions apply. Suppose a random sample of 80 voters is selected and proportion of voters who favor the bond is found. Let X be sample proportion.

Answers

Answer:40 people are in favor

Step-by-step explanation:

x/80 = 50/100

How many degrees are in 5/8 of a circle

Answers

Answer:

225 degrees

Step-by-step explanation:

It is: 5/8 of 360 = 225 degrees.

5/8 of a circle is equivalent to 225 degrees.

Given,

5/8 of a circle.

Now,

A full circle represents 360 degrees .

So,

1 complete circle = 360 degrees

Let 5/8 of a circle represents x degrees,

1 complete circle = 360 degrees

5/8 of circle = x degrees

Cross multiply,

x = 5/8 * 360

x = 225 degrees.

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Let S be the universal set, where:
S={1,2,3,...,28,29,30}
Let sets A and B be subsets of S, where:

Answers

Using set theory, we can find the elements of set (AUB) as follows:

AUB = {3,10,12,25,27}

Define set theory?

In mathematics, a grouping of various objects is known as a set. Any collection of items, including a numerical range, a list of days of the week, several automobile models, etc., can be categorised as a set. An element of the set can be any component of the set.

A very basic set would resemble something like this. Set A = {1,2,3,4,5}. Several notations can be used to represent the elements of a set. Sets are frequently represented by a set builder form or by using a roster form.

In the question,

Universal set = {11,2,3, 4......,28,29,30}

Set A = {3,4,5,8,10,12,15,21,24,25,27,28}

Set B = {1,3,10,11,12,16,25,27,29}

So AUB = {3,10,12,25,27}

Therefore, the elements that are included in the set (AUB) is:

{3,10,12,25,27}.

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LI Annexure A shows Rhandzu's grade 11 school timetable for 2023. Learners are given 5 minutes to change from one lesson to the other. Use ANNEXURE A to answer the questions that follow. 1.1.1 Determine how l
ong the second break is. 1.1.2 How many subjects is Rhandzu doing? 1.1.3 Determine the number of days in an eight-day cycle that Rhandzu has Mathematical Literacy. Explain why it is important to schedule breaks on the time-table. 1.1.4​

Answers

The answer of the given question based on determining the second break in the break is  1.1.1 The second break is from 11:25 AM to 11:40 AM, which means it is 15 minutes long , 1.1.2 Rhandzu is doing 8 subjects , Rhandzu has Mathematical Literacy on Day 3 and Day 7, which means it is a 4-day cycle.

What is Sepedi Home Language?

Sepedi is  Bantu language spoken in South Africa by Pedi people. It is one of the 11 official languages of South Africa and is primarily spoken in  northern parts of  country, like Limpopo, Gauteng, and Mpumalanga provinces.

Sepedi is also known as Sesotho sa Leboa and is closely related to Sesotho (Southern Sotho) and Setswana (Tswana). Sepedi Home Language refers to  study of Sepedi as  first language or mother tongue in South African schools. It is an important subject in South African education system, as it helps to preserve and promote use of indigenous languages and cultural heritage.

1.1.1 The second break is from 11:25 AM to 11:40 AM, which means it is 15 minutes long.

1.1.2 Rhandzu is doing 8 subjects, which are English Home Language, Mathematics, Life Orientation, Physical Sciences, Life Sciences, Agricultural Sciences, Mathematical Literacy, and Sepedi Home Language.

1.1.3 Rhandzu has Mathematical Literacy on Day 3 and Day 7, which means it is a 4-day cycle. Therefore, in an eight-day cycle, Rhandzu would have Mathematical Literacy on Day 3, Day 7, Day 3 again, and Day 7 again.

It is important to schedule breaks on the time-table because they allow students to rest and recharge between lessons. Breaks can also help students to stay focused and engaged during lessons by giving them time to process and reflect on what they have learned. Additionally, breaks can provide opportunities for social interaction and physical activity, which can have a positive impact on students' well-being and academic performance.

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The second break is from 11:25 AM to 11:40 AM, which means it is 15 minutes long , Rhandzu is doing 8 subjects , Rhandzu has Mathematical Literacy on Day 3 and Day 7, which means it is a 4-day cycle.

What is Sepedi Home Language?

Sepedi is  Bantu language spoken in South Africa by Pedi people. It is one of the 11 official languages of South Africa and is primarily spoken in  northern parts of  country, like Limpopo, Gauteng, and Mpumalanga provinces.

Sepedi is also known as Sesotho sa Leboa and is closely related to Sesotho (Southern Sotho) and Setswana (Tswana). Sepedi Home Language refers to  study of Sepedi as  first language or mother tongue in South African schools. It is an important subject in South African education system, as it helps to preserve and promote use of indigenous languages and cultural heritage.

1.1.1 The second break is from 11:25 AM to 11:40 AM, which means it is 15 minutes long.

1.1.2 Rhandzu is doing 8 subjects, which are English Home Language, Mathematics, Life Orientation, Physical Sciences, Life Sciences, Agricultural Sciences, Mathematical Literacy, and Sepedi Home Language.

1.1.3 Rhandzu has Mathematical Literacy on Day 3 and Day 7, which means it is a 4-day cycle. Therefore, in an eight-day cycle, Rhandzu would have Mathematical Literacy on Day 3, Day 7, Day 3 again, and Day 7 again.

It is important to schedule breaks on the time-table because they allow students to rest and recharge between lessons. Breaks can also help students to stay focused and engaged during lessons by giving them time to process and reflect on what they have learned. Additionally, breaks can provide opportunities for social interaction and physical activity, which can have a positive impact on students' well-being and academic performance.

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Select the description of the graph created by the equation 3x2 – 6x + 4y – 9 = 0.

Parabola with a vertex at (1, 3) opening left.
Parabola with a vertex at (–1, –3) opening left.
Parabola with a vertex at (1, 3) opening downward.
Parabola with a vertex at (–1, –3) opening downward.

Answer is C. Parabola with a vertex at (1, 3) opening downward.

Answers

Correct, the graph created by the equation 3x^2 – 6x + 4y – 9 = 0 is a parabola with a vertex at (1, 3) opening downward.

Let p be the largest prime with 2010 digits. What is the smallest positive integer k such that p^2-k is divisible by 12?

Answers

For the largest prime with 2010 digits, the smallest positive integer k such that p²-k is divisible by 12 is mod 24.

First, we need to find the largest prime number with 2010 digits. We know that a prime number greater than 5 must end in either 1, 3, 7, or 9. Therefore, we can start with the number 9 followed by 2009 nines, which gives us a 2010-digit number. We then check whether this number is prime or not using a primality test.

Next, we need to find the smallest positive integer k such that p^2 - k is divisible by 12. We can rewrite this as k ≡ p² (mod 12).

Since p is odd, we know that p² ≡ 1 (mod 8), and since 12 = 3 × 4, we can use the Chinese Remainder Theorem to solve the congruence system k ≡ 1 (mod 8) and k ≡ 1 (mod 3).

Using the fact that 8 and 3 are coprime, we can solve for k using the formula k ≡ a_1N_1y_1 + a_2N_2y_2, where N_1 = 3, N_2 = 8, a_1 = 1, a_2 = 1, y_1 = [tex]3^{(-1)}[/tex] (mod 8) = 3, and y_2 = [tex]2^{(-1)}[/tex] (mod 3) = 2.

Plugging in the values, we get k ≡ 25 (mod 24).

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the function f is defined by f of x is equal to 3 divided by the square root of x minus 2 divided by x cubed for x > 0. g

Answers

The required value of the function  (f + g)(x) for given f(x) and g(x) as ( 3 / √x )  - ( 2 / x³ ) and √(5x - 7) is equals to ( 3 / √x )  - ( 2 / x³ )  + √(5x - 7).

Function f(x) is equals to,

( 3 / √x )  - ( 2 / x³ ) for all x > 0

Function g(x) is equals to,

g(x) = √(5x - 7)

To get the value of (f + g)(x),

Substitute the value of f(x) and g(x) and  add the functions f(x) and g(x) together,

Sum of f(x) and g(x) is equals to,

(f + g)(x)

= f(x) + g(x)

= ( 3 / √x )  - ( 2 / x³ )  + √(5x - 7)

Therefore, value of the function (f + g)(x) is equals to ( 3 / √x )  - ( 2 / x³ )  + √(5x - 7).

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The above question is incomplete, the complete question is:

The function f is defined by f of x is equal to 3 divided by the square root of x minus 2 divided by x cubed for x > 0, g as a function of x is equal to the square root of quantity 5 x minus 7 Find (f + g)(x).

Diaz Nesamoney is a computer scientist who founded three successful software companies. Entrepreneurs tend to have a high ____
a. bounded optimization.
b. escalation of commitment.
c. risk propensity.
d. strategic maximization.
e. intuitive rationality

Answers

Diaz Nesamoney's experience as an entrepreneur demonstrates a high risk propensity, which is the tendency to take risks that have a potentially positive outcome.

In fact, entrepreneurs are required to be risk-takers as they typically have to invest time, resources, and capital into new ventures with uncertain outcomes. This risk-taking behavior is driven by an innate desire to create something new, whether it's a product, service, or business. However, it's not just risk-taking that characterizes the entrepreneurial mindset, but also a combination of other factors like creativity, determination, and strategic thinking.

Entrepreneurs are known for their strategic maximization skills, which involve the ability to assess opportunities and develop plans that leverage resources effectively to meet their objectives. Strategic thinking allows entrepreneurs to make difficult decisions with limited information, adapt to shifting market conditions, and identify opportunities where others see only obstacles. This kind of thinking requires intuition and creativity, which are key entrepreneurial traits. In addition, entrepreneurs are also known for their bounded optimization behaviors, which involve making decisions that are informed by limitations such as time, money, and available resources. This makes the best use of available resources to achieve the desired outcomes.

Furthermore, entrepreneurs often exhibit an escalation of commitment, which means that they continue to invest in a failing venture despite the costs associated with such a decision. They believe in their vision and goals so much that they're ready to take the risk, invest further resources, and make changes to the strategy until they succeed. This determination and belief inspire others to follow, work harder and go the extra mile. Overall, entrepreneurs are individuals with a range of attributes, including a high risk propensity, strategic thinking ability, intuition, creativity, and determination. These traits enable them to turn their unique ideas into successful businesses.

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Help me with my homework, please!

Answers

The answer of the given question based on the linear function the answers are ,(a)  The initial value of the function is the y-intercept, which is 55000 , (b) the car will be valued at $35,002 when it has been driven approximately 1666 miles.

What is Function?

Function is a rule that assigns  unique output value to each input value in  a set. The input values are typically represented by variable x, while the output values are represented by  variable y. A function can be thought of as machine that takes an input, processes it according to a specified rule, and produces output.

Functions have many applications in various fields of mathematics and science, like  calculus, linear algebra, and physics. They are also used in computer science and programming, where they are essential for data analysis, machine learning, and other applications.

a. In the linear function y=-9x + 55000, the coefficient of x (-9) represents the rate of change, which indicates how much the value of the car decreases for each mile driven. Specifically, for each mile driven, the value of the car decreases by $9. The initial value of the function is the y-intercept, which is 55000. This represents the value of the car when it has not yet been driven any miles.

b. To find when the car will be valued at $35,002, we can substitute y=35,002 into the linear equation and solve for x:

y=-9x + 55000

35,002=-9x + 55000

-9x = -14998

x = 1666.44

Therefore, the car will be valued at $35,002 when it has been driven approximately 1666 miles.

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Question 14 (2 points)
Suppose you flip a coin and then roll a die. You record your result. What is the
probability you flip heads and roll a 6?
1/12
1/4
1/2
9/12

Answers

Answer:

1/12

Step-by-step explanation:

Assuming both the die and coin are fair, there is a 1/2 chance of flipping heads and a 1/6 chance of rolling a specific number on the die.

Multiplying, 1/2 * 1/6 is 1/12.

Hope this helps!

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