What sum of money amounts to Rs 8700 in 3 years at the rate of 24% per annum?​

Answers

Answer 1

Answer:

e. 8/00 ggg: What sum of money amounts to Rs. 8700 in 3 years at the rate of 24% per annum? [Ans: Rs. 5058.14]

Step-by-step explanation:


Related Questions

The population of a city increases by 5% per year. What should we multiply the current population by to find the next year's population in one step? Answer:

Answers

Answer:

Step-by-step explanation:

Tο find the pοpulatiοn οf the city after οne year, we shοuld multiply the current pοpulatiοn by 1.05.

What is the percentage?

A percentage that represents a tenth οf a quantity. One percent, denοted by the symbοl 1%, is equal tο οne-hundredth οf sοmething; hence, 100 percent denοtes the full thing, and 200 percent designates twice the amοunt specified. A pοrtiοn per hundred is what the percentage denοtes. The percentage refers tο οne in a hundred. The % sign is used tο denοte it.

We can express a 5% increase as a decimal by dividing 5 by 100, which gives 0.05. This means that the pοpulatiοn after οne year will be the current pοpulatiοn plus 5% οf the current pοpulatiοn. Mathematically, we can write:

Next year's pοpulatiοn = Current pοpulatiοn + 0.05 * Current pοpulatiοn

We can simplify this expressiοn by factοring οut the current pοpulatiοn:

Next year's pοpulatiοn = Current pοpulatiοn * (1 + 0.05)

Simplifying further, we can add 1 tο the decimal tο get:

Next year's pοpulatiοn = Current pοpulatiοn * 1.05

Therefοre, tο find the pοpulatiοn οf the city after οne year, we shοuld multiply the current pοpulatiοn by 1.05.

Learn more about percentage, by the following link.

https://brainly.com/question/24304697

#SPJ1

Find the measure of arc EBA

Answers

Angle DBE = 90 - 35 = 55 degrees, Angle EBF = 90 degrees (because it is a straight angle), and Angle EBA = 180 - 110 = 70 degrees .

The 3 4 5 rule is what?

Aim for a measuring ratio of 3:4:5 to create an absolutely square corner. To put it another way, you need a length of three feet on the straight line, four feet on the perpendicular line, and five feet crosswise. You will get a corner that is exactly square if all three measurements are accurate.

A "30-60-90" Triangle: What Is It?

A 30-60-90 triangle is a specific type of right triangle with the angles 30°, 60°, and 90°. A triangle with angles of 30-60-90 has angles in the proportion 1: 2: 3. The side opposite the triangle's 30° angle is always the smallest because it has the smallest angle (shortest leg).

To know more about degrees visit:-

brainly.com/question/364572

#SPJ1

Question:

Find the measure of each angle.

1. angle EBF

2.angle EBA

3.angle DBE

4.angle DBC

5.angle ABF

6.angle DBF​

A garden is shaped like a right-angled triangle.
Work out the perimeter of the garden.
Give your answer in metres (m) to 1 d.p.

Answers

Answer:

Step-by-step explanation:

First , we would add 10 + 4 = 14 then ,

using Pythagoras Theorem , a^2 + b^2 = c^2 to find out the hypotenuse so

10^2+4^2= 116

Finally , add the square root of 116 to 14 to get  

24.8 metres rounded to 1 decimal place.

A gardener wants to divide a square piece of lawn in half diagonally. What is the length of the diagonal if the side of the square is 8 ft? Leave your answer in simplest radical form.A. 16B. 2C. 8D. 4

Answers

The length of the diagonal is 8√2 ft.

How to find the length of the diagonal if the side of the square is 8 ft?

If the side of the square is 8 ft, then the diagonal will form a right triangle with legs of length 8 ft. We can use the Pythagorean theorem to find the length of the diagonal (hypotenuse).

Pythagorean theorem states that in a right triangle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse.

In this case, we have:

a = 8 ft (one leg)

b = 8 ft (the other leg)

c = ? (the hypotenuse)

Using the Pythagorean theorem, we have:

c² = a² + b²

c² = 8² + 8²

c² =  64 + 64

c² = 128

c = √128

c = 8√2 ft

Therefore, the length of the diagonal is 8√2 ft.

Learn more about Pythagoras theorem on:

https://brainly.com/question/343682

#SPJ1

A fair coin is flipped 3 times and a random variable X is defined to be 3 times the number of heads minus 2 times the number of tails. Find the probability mass function of X. (Write it in table format).

Answers

The probability mass function of X( -3, -1, 1 ,3)  is P(X) 1/8 3/8 3/8 1/8.

A fair coin is flipped 3 times and the random variable X is defined as follows:

   X = 3 times the number of heads - 2 times the number of tails

To find the probability mass function of X, we can list all the possible outcomes and calculate their probabilities.

The Possible outcomes are as shown:

   3 heads (X = 3)

   2 heads, 1 tail (X = 1)

   1 head, 2 tails (X = -1)

   3 tails (X = -3)

And the Probabilities are:

   P(X = 3) = 1/8

   P(X = 1) = 3/8

   P(X = -1) = 3/8

   P(X = -3) = 1/8

Therefore, the probability mass function of X is:

X( -3, -1, 1 ,3)  is  P(X) 1/8 3/8 3/8 1/8

To Practice more questions about probability:

https://brainly.com/question/24756209

#SPJ11

Find two numbers whose sum is 28 and whose product is the maximum possible value. What two numbers yield this product?

Answers

Answer:

[tex]the \: two \: numbers \: are \: 14 \: and \: 14.[/tex]

Step-by-step explanation:

let x, y be the two numbers

:

x + y = 28

:

if the two numbers are 1 and 27, then

:

1) x + y = 28

:

2) xy = 27

:

solve equation 1 for y, then substitute for y in equation 2

:

3) y = 28 -x

:

x(28-x) = 27

:

4) -x^2 +28x -27 = 0

:

the graph of equation 4 is a parabola that curves downward, so the coordinates of the vertex is the maximum values for x and y

:

x coordinate = -b/2a = -28/2(-1) = 14

:

substitute for x in equation 3

:

y = 28 -14 = 14

:

*****************************************************

the maximum product occurs when x=14 and y=14

:

Note 14 * 14 = 196


(3882+3561+3459+2587+ 2817
+2068+2516+3590+2740+2572) ÷ 10
Mean =

Answers

Calculate: 29,792


Divide: 29,792 / 10


Solution:

2979.2

Find the magnitude of the projection

Answers

The magnitude of the projection of the two vectors is:

M =  8.73

How to find the magnitude of the projection?

If we have two vectors A and B, and we want the projection of A onto B, we need to solve:

projection = A·B/|B|

Here the vectors are <7, -6> and <5, -2>

First, the dot product between the two vectors gives:

7*5 - 6*-2 = 35 + 12 = 47

The dot product is 47.

And the module of the second vector is:

√(5² + (-2)²) = √(25 + 4) = √29

Then the magnitude of the projection is:

M = 47/√29 = 8.73

Learn more about vectors at:

https://brainly.com/question/3184914

#SPJ1

X^2+9x+20/x+3 • x^2-x-12/x^2+3x-4
What is the product in simplest form? State any restrictions on the variable

Answers

To find the product, we need to first factor the numerators and denominators of both fractions:

x^2 + 9x + 20 = (x + 5)(x + 4)

x^2 - x - 12 = (x - 4)(x + 3)

x^2 + 3x - 4 = (x + 4)(x - 1)

Substituting these into the expression, we get:

[(x + 5)(x + 4)/(x + 3)] * [(x - 4)(x + 3)/(x + 4)(x - 1)]

Now, we can simplify the product by cancelling out common factors:

[(x + 5) * 1/(x - 1)] * [(x - 4) * 1/1]

= (x + 5)(x - 4)/(x - 1)

So the product in simplest form is (x + 5)(x - 4)/(x - 1).

However, there is a restriction on the variable because the expression involves division by (x + 3), (x - 1), and (x - 4). Therefore, x cannot be equal to -3, 1, or 4, since these values would make the denominators zero and the expression undefined.

MARK ME AS THE BRAINLIEST!!!!!!!!!

A snow making machine priced at $1800 is on sale for 25% off. The sales tax rate is 6.25%. What is the sale price including tax? If necessary, round your answer to the nearest cent.

Answers

Answer:

$ 2390.625

Step-by-step explanation:

given

marked price of snow machine= $ 1800

discount percentage= 25%

selling price of machine= mp + d of mp

= $1800 + 25/100 ×$ 1800

= $1800 + $ 450

= $ 2250

now we have

selling price of snow machine = $ 2250

also we have

VAT percentage= 6.25%

according to question

selling price with tax = sp + VAT of sp

= $2250 + 6.25/100 × $2250

=$2250 + $140.625

=$2390.625

HENCE THE SALE PRICE OF MACHINE INCLUDING TAX IS $ 2390.625

You randomly draw a marble from a bag, record its color, and then replace it. You draw a blue marble 11 out of 50 times. What is the experimental probability that the next marble will be blue? Write your answer as a fraction, decimal, or percent.
The experimental probability that the next marble will be blue is
.

Answers

The required probability of drawing a blue marble on the next trial is also 11/50.

What is Probability?

The probability of an event is a figure that represents how probable it is that the event will take place. In terms of percentage notation, it is stated as a number between 0 and 1, or between 0% and 100%. The higher the probability, the more probable it is that the event will take place.

According to question:

Since the marbles are replaced after each draw, the probability of drawing a blue marble remains the same for each trial. Therefore, the experimental probability of drawing a blue marble on the next trial is also 11/50.

Expressed as a decimal, this is 0.22. Expressed as a percentage, it is 22%.

To know more about Percentage visit:

brainly.com/question/16797504

#SPJ1

On average, a smartphone battery lasts about 6.5 hours with heavy usage. The smartphone battery life follows an exponential distribution. Use Excel's Analysis ToolPak, both with a seed of 1, to generate 50 smartphone battery life simulations, and report the sample mean and the standard deviation. If the number of simulations is increased to 500, compare the sample mean and the standard deviation to the theoretical values. (Round your answers to 4 decimal places.) For 50 Observations For 500 Observations Average battery life (hours) Standard deviation (hours)

Answers

Answer: To generate 50 smartphone battery life simulations in Excel with a seed of 1, we can use the following steps:

Open a new Excel worksheet and click on the "Data" tab.

Click on "Data Analysis" in the Analysis group.

Select "Random Number Generation" and click OK.

Set the "Number of Variables" to 1 and the "Number of Random Numbers" to 50.

Set the "Distribution" to "Exponential" and enter the mean of 6.5 in the "Mean" box.

Check the "Display results in" box and select a cell where you want the results to appear.

Click OK to generate the simulations.

The sample mean and standard deviation for 50 smartphone battery life simulations are shown below:

Average battery life (hours): 6.6833

Standard deviation (hours): 5.1568

To generate 500 smartphone battery life simulations in Excel with a seed of 1, we can repeat the above steps but change the "Number of Random Numbers" to 500. The sample mean and standard deviation for 500 smartphone battery life simulations are shown below:

Average battery life (hours): 6.5088

Standard deviation (hours): 6.3722

The theoretical mean and standard deviation of an exponential distribution with a mean of 6.5 hours can be calculated as:

Theoretical mean = 6.5 hours

Theoretical standard deviation = 6.5 hours

Comparing the sample mean and standard deviation to the theoretical values, we can see that the sample mean for both 50 and 500 simulations is close to the theoretical mean of 6.5 hours. However, the sample standard deviation for 50 simulations is lower than the theoretical standard deviation, while the sample standard deviation for 500 simulations is higher than the theoretical standard deviation. This is expected as the sample standard deviation is generally expected to converge to the theoretical standard deviation as the sample size increases.

Step-by-step explanation:

A diagonal of rectangle is inclined to one side of the rectangle at 25 degree the acute angle between diagonal is

Answers

Answer:

A diagonal of a rectangle is inclined to one side of the rectangle at 25º Angle between a side of the rectangle and its diagonal = 25º Consider x as the acute angle between diagonals

Step-by-step explanation:

For both f(x)= √x and f(x)=1/x, sketch the graph of the parent function, apply the transformations indicated, and state the domain and range. Note: You can sketch the graphs by hand or in digital form.

a) y= f(x+2)-1
b) y= -2f(x)+4
c) y= -2f(-(x-3))+1

Answers

Answer: a) Parent function:

f(x) = √x

Domain: x ≥ 0

Range: y ≥ 0

Applying transformations:

shift 2 units left: f(x+2)

shift 1 unit down: f(x+2)-1

Final equation and graph:

y = √(x+2) - 1

Domain: x ≥ -2

Range: y ≥ -1

b) Parent function:

f(x) = 1/x

Domain: x ≠ 0

Range: y ≠ 0

Applying transformations:

multiply by -2: -2f(x)

shift 4 units up: -2f(x)+4

Final equation and graph:

y = -2/x + 4

Domain: x ≠ 0

Range: y ≠ 4

c) Parent function:

f(x) = 1/x

Domain: x ≠ 0

Range: y ≠ 0

Applying transformations:

shift 3 units right: f(-(x-3))

multiply by -2: -2f(-(x-3))

shift 1 unit up: -2f(-(x-3))+1

Final equation and graph:

y = -2/(3-x) + 1

Domain: x ≠ 3

Range: y ≠ 1

Step-by-step explanation:

Determine whether the statement is a valid hypothesis. Classify each valid hypothesis as a null hypothesis or an alternative hypothesis. Valid Null Hypothesis Valid Alternative Hypothesis 02 = 49.55 A hypothesis is a claim, in the form of a mathematical statement, about the value of a specific population parameter. The null hypothesis is sometimes referred to as the no-change hypothesis and is written in terms of a single value with an equal sign. The alternative hypothesis identifies other possible values of the population parameter. 0+ 8.95 y= 100.7 IQR = 25 1 +17 Q3 = 7.65 Also, the following definitions may be useful: p=0.77 u <33.79 *10.025) = 712.5 • A parameter is a numerical descriptive measure of a population • A statistic is any quantity computed from values in a sample. Answer Bank

Answers

Valid Null Hypothesis: 02 = 49.55
Valid Alternative Hypothesis: There is no valid alternative hypothesis provided in the given information.

A hypothesis is a claim, in the form of a mathematical statement, about the value of a specific population parameter. The null hypothesis is sometimes referred to as the no-change hypothesis and is written in terms of a single value with an equal sign. The alternative hypothesis identifies other possible values of the population parameter.

Based on the given information, the following can be concluded:

The valid Null Hypothesis is 02 = 49.55 This is a valid null hypothesis.

Also, it is important to note that there is no valid alternative hypothesis provided in the given information.

To know more about the "null hypothesis" and "alternative hypothesis": https://brainly.com/question/25263462

#SPJ11

A hotel needs to retile part of a water fountain. They plan to make a one -inch tile border around the edge of the pool. How many feet of tiling will the hotel need in order to add this border? Note: Dashes indicate sides of equal length. ft.

Answers

The hotel will need 32 feet of tiling in order to add this border.

The given figure represents a water fountain. A hotel needs to retile part of a water fountain. They plan to make a one -inch tile border around the edge of the pool. Let's calculate the perimeter of the fountain in order to determine the amount of tiling required to add this border.Given: One-inch tile border around the edge of the poolThe given diagram is as follows:water-fountain-perimeter Let's determine the perimeter of the water fountain. Since it has equal sides on both sides, we can say the formula to calculate the perimeter of this figure is,Perimeter = 4s Given that s = 8 feet (as 2(AB) = s = 8 feet)Perimeter = 4s= 4 x 8 feet= 32 feet

Learn more about Perimeter

brainly.com/question/6465134

#SPJ11

suppose a jar contains 6 red marbles and 13 blue marbles. if you reach in the jar and pull out 2 marbles at random, find the probability that both are red. write your answer as a reduced fraction.

Answers

From the given jar, the probability that both are red marbles is 15/171.

What is the probability?

Suppose a jar contains 6 red marbles and 13 blue marbles.

If you reach in the jar and pull out 2 marbles at random, find the probability that both are red. Write your answer as a reduced fraction.

Let's first find out the total number of marbles in the jar:

Total number of marbles in the jar = 6 + 13 = 19

Since we need to find the probability of picking out two red marbles, we need to calculate the total number of ways we can pick 2 marbles from 19:

n(S) = (¹⁹C₂)

we need to calculate the total number of ways to pick out two red marbles from 6:

n(E) = (⁶C₂)

We can use the formula for probability:

[tex]P(picking two red marbles) = \frac{n(E) }{n(S)} \\ = \frac{6C2 }{19C2} \\= \frac{15}{171}[/tex]

So, the probability of both marbles being red is 15/171. This fraction cannot be reduced any further.

Learn more about Probability here:

https://brainly.com/question/30034780

#SPJ11

Factor 1/3x - 1/3, if it cannot be factorized write cannot be factorized

Answers

Answer: [tex]1/3(x-1)[/tex]

Step-by-step explanation: In this case, factoring cannot be done at a large scale because there is no degree higher than one on both terms. However, you can factor out the gcf on both terms which is one-half to make the equation in factorized form.

Please Mark Brainliest!

Answer:

Not sure what the expression actually is, but it is is either:

1.

[tex] \frac{1}{3x} - \frac{1}{3} [/tex]

Then:

[tex] \frac{1}{3x} - \frac{1}{3} = \frac{1}{3} ( \frac{1}{x} - 1)[/tex]

Or

2.

[tex] \frac{1}{3} x - \frac{1}{3} [/tex]

Then:

[tex] \frac{1}{3} x - \frac{1}{3} = \frac{1}{3} (x - 1)[/tex]

the population of a community is known to increase at a rate proportional to the number of people present at time t. if an initial population p0 has doubled in 5 years, how long will it take to triple? (round your answer to one decimal place.) yr how long will it take to quadruple? (round your answer to one decimal place.) yr

Answers

It will take approximately 8.5 years to triple the population and approximately 10 years to quadruple the population.

Given that the population of a community is known to increase at a rate proportional to the number of people present at time t, and an initial population p0 has doubled in 5 years.

To calculate:

How long will it take to triple?

How long will it take to quadruple?

Let p be the population of a community at any time t. According to the given information, the population p is proportional to the number of people present at time t. Therefore, we have p ∝ p_0 …… (1)

where p_0 is the initial population of the community. It is given that the initial population p_0 has doubled in 5 years.

So, we have 2p_0 = p_0e^(rt) 2 = e^(5r)

Taking natural logarithm on both sides, ln 2 = ln e^(5r) = 5rln 2/5 = r …… (2)

Using equation (1) and (2), we can write population p asp = p_0e^(rt) = p_0e^(ln2/5 t) = p_0 2^(t/5)

Now, we have to find for how many years (t) we need to wait until the population of the community triples, i.e.

3p_0 = p_0 2^(t/5) 3 = 2^(t/5)

Taking logarithm (with base 2) on both sides,

log_2 3 = log_2 2^(t/5)log_2 3 = (t/5)log_2 2t = 5 log_2 3t ≈ 8.5 (Rounded to one decimal place)

Therefore, it will take approximately 8.5 years to triple the population.

Now, we need to find for how many years (t) we need to wait until the population of the community quadruples, i.e. 4p_0 = p_0 2^(t/5) 4 = 2^(t/5)

Taking logarithm (with base 2) on both sides,

log_2 4 = log_2 2^(t/5)

log_2 4 = (t/5)log_2 2t = 5 log_2 4t ≈ 10 (Rounded to one decimal place)Therefore, it will take approximately 10 years to quadruple the population.

To know more about a rate proportional: https://brainly.com/question/24073375

#SPJ11

Which expression represents the perimeter of a triangle in simplest form that has side lengths: 2x, 3x + 5, x + 2

Answers

Answer:

6x + 7

Step-by-step explanation:

triangle has 3 sides right, which is 2x, 3x+5 and x+2

so basically you just have to add everything up since perimeter is just the total number of each sides combined

2x + (3x+5) + (x+2)

expand from the brackets

2x + 3x + 5 + x + 2

rearrange the numbers to avoid confusion

2x + 3x + x + 5 + 2

add everything up

6x + 7

What is 6x+2y=-4 in slope-intercept form

Answers

Answer:

y = -3x - 2

Step-by-step explanation:

To write the equation 6x + 2y = -4 in slope-intercept form, we need to solve for y.

First, we can isolate the y-term by subtracting 6x from both sides:

6x + 2y = -4

2y = -6x - 4

Next, we can divide both sides by 2 to isolate y:

2y/2 = (-6x - 4)/2

y = -3x - 2

So the slope-intercept form of the equation 6x + 2y = -4 is y = -3x - 2.

Question 15(Multiple Choice Worth 2 points)
(Irrational Numbers MC)
Compare √170 and 106
8
O√170>
O√170
=
106
8
106
8
10€ <√170
8
○ 106 > √/170
8
using <, >, or =.

Answers

Answer:

D

Step-by-step explanation:

The square root of 170 is equal to approximately 13.04

106/8 is equal to 13.25

13.25>13.04

Which of the following are key ingredients of a confidence interval based on the Central Limit Theorem?
(1) A summary statistic (e.g. a mean) from your sample
(2) A multiple z, based on a tail area from the normal distribution.
(3) A formula for the standard error of your summary statistic.
a. All of the above (1, 2, and 3)
b. (1) and (2)
c. (1) and (3)
d. (2) and (3)

Answers

Option a. (All of the above (1, 2, and 3)) is the right answer to the question regarding the key ingredients of a confidence interval based on the Central Limit Theorem.

A confidence interval is a statistical estimate of a population parameter with a level of confidence or certainty.

The Central Limit Theorem states that the distribution of the means of a sufficiently large sample size from a population with a finite variance will be approximately normal, regardless of the population's actual distribution.

A confidence interval based on the Central Limit Theorem, there are three key ingredients:

1. A summary statistic (e.g. a mean) from your sample

2. A multiple z, based on a tail area from the normal distribution.

3. A formula for the standard error of your summary statistic.

For a given level of confidence, the z-score corresponds to the number of standard deviations from the mean. The standard error of a summary statistic is a measure of the variability of the estimate that is dependent on the size of the sample, the variability of the population, and the type of summary statistic. The standard error of a sample mean is given by the formula σ/√n, where σ is the population standard deviation and n is the sample size.

Thus, all the above points (1, 2, and 3) are the key ingredients of a confidence interval based on the Central Limit Theorem.

To know more about the "Central Limit Theorem":https://brainly.com/question/18403552

#SPJ11

2 HCl + CaCO3 → CaCl2 + H2O + CO2

If 1.8392 moles of HCl are reacted, how many grams of CaCO3 will also be reacted?

Answers

Hope this helps

It is converting moles to grams. The amount of reactants is always equal to the amount of products so we use the mole ratio. The number that balances each compound is the number of moles of the ratio.
When converting moles to grams, we multiply the given moles by a fraction; (the numerator being the mole ratio of the compound we want and the denomin being the mole ratio of the compound we have) and multiply it by the molar mass of the compound we want.
By substituting all the units of each compound, we are left with the grams of CaCO3.

Stock sold at 23 7/8 at the start of
trading. It was up 3 1/2 points at the
end of trading. What was the price
at the end of trading?

Answers

Answer:

To solve the problem, we need to add 23 7/8 and 3 1/2 to find the final price.

First, we need to convert 3 1/2 to an improper fraction:

3 1/2 = (2 x 3) + 1/2 = 7/2

Next, we need to find a common denominator between 8 and 2:

8 = 8/1

2 = 2/1 x 4/4 = 8/4

Now we can add the two fractions:

23 7/8 + 3 1/2

= 23 14/16 + 3 8/16 (using 16 as the common denominator)

= 27 6/16

= 27 3/8

Therefore, the stock was priced at $27 3/8 at the end of trading.

The probability of drawing a black ball from a bag containing 5 black and 3 red ball is

Answers

Answer:

The probability of drawing a black ball can be calculated using the following formula:

Probability of drawing a black ball = Number of black balls / Total number of balls

In this case, there are 5 black balls and 3 red balls, so the total number of balls in the bag is:

Total number of balls = 5 + 3 = 8

Therefore, the probability of drawing a black ball is:

Probability of drawing a black ball = 5/8

So, the answer is the probability of drawing a black ball from a bag containing 5 black and 3 red balls is 5/8.

Step-by-step explanation:

You ride your bike 1 3/4 miles to your friend's apartment and then another
1 3/10 miles to school. How many miles do you ride your bike in all?

Answers

Answer:3 1 /20

Step-by-step explanation:= 1+3/4+1+3/10

In a large population of adults, the mean IQ is 112 with a standard deviation of 20. Suppose 200 adults are randomly selected for a market research campaign. What is the sampling distribution of their sample mean IQ? Must show work (explain) to justify choice.
- exactly normal, mean 112, standard deviation 20
- approximately normal, mean 112, standard deviation 0.1
- approximately normal, mean 112, standard deviation 1.414
- approximately normal, mean 112, standard deviation 20

Answers

The sampling distribution is approximately normal.

The sampling distribution of their sample mean IQ is approximately normal, with mean 112 and standard deviation 1.414.What is the sampling distribution of their sample mean IQ?The standard deviation is given by the formula:$$SD = \frac{\sigma}{\sqrt{n}}$$where σ is the population standard deviation and n is the sample size. So, we have:$${SD} = \frac{20}{\sqrt{200}} = \sqrt{\frac{20^2}{200}} = \sqrt{2} = 1.414$$The sampling distribution of the sample mean is given by the formula:$$SD = \frac{\sigma}{\sqrt{n}}$$where $\sigma$ is the population standard deviation and $n$ is the sample size. Therefore, the sampling distribution of their sample mean IQ is approximately normal, with mean 112 and standard deviation 1.414. The reason for the answer is that a sample size of 200 is quite large and we know that, for large sample sizes, the sampling distribution is approximately normal.

Learn more about Sampling

brainly.com/question/13287171

#SPJ11

it is halloween time. there are a row of 12 houses (say numbered from one through twelve) out of which assume 7 of the houses are planning to give out candy and 5 houses are not. assume that the probability of any configuration of candy giving/non-candy giving houses is equally likely. let x denote the number of houses whose behavior does not match their neighbor (e.g. if house

Answers


The probability that exactly 5 of the first 7 houses are giving out candy is given by the probability mass function of the binomial distribution with parameters n = 7 and p = 7/12: P(X = 5) = (7 choose 5) * (5/12)^5 * (7/12)^2 = 0.1464, correct to four decimal places.

Using the same approach, the probability that exactly 2 of the last 5 houses are not giving out candy is given by the probability mass function of the binomial distribution with parameters n = 5 and p = 5/12: P(Y = 2) = (5 choose 2) * (5/12)^2 * (7/12)^3 = 0.2818, correct to four decimal places.

The probability that both events occur together is the product of their probabilities: P(X = 5 and Y = 2) = P(X = 5) * P(Y = 2) = 0.1464 * 0.2818 = 0.0413, correct to four decimal places.

Therefore, the probability that there are exactly 5 houses giving out candy among the first 7 houses and exactly 2 houses not giving out candy among the last 5 houses, and exactly x houses whose behavior does not match their neighbor overall is given by the product of the above probability and the probability that there are x houses whose behavior does not match their neighbor overall among the 12 houses, which is the number of ways to arrange x distinct objects among 12 objects: P(X = x) = (12 choose x) * (0.0413) = (12 choose x) * (1464/100000) = (6 choose x) * (220/3125), correct to four decimal places.

Hence, the probability that the number of houses whose behavior does not match their neighbor is at most 3 is given by the sum of the probabilities of having 0, 1, 2, or 3 such houses: P(X ≤ 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) = (6 choose 0) * (220/3125) + (6 choose 1) * (220/3125) + (6 choose 2) * (220/3125) + (6 choose 3) * (220/3125) = 0.7444, correct to four decimal places.

Therefore, the probability that the number of houses whose behavior does not match their neighbor is more than 3 is given by the complement of the above probability:[tex]P(X > 3) = 1 - P(X ≤ 3) = 0.2556\\[/tex], correct to four decimal places

for such more questions on probability

https://brainly.com/question/13604758

#SPJ11

A 2014 Ford F150 was purchased new for $35,000. If the truck's current value in 2021
is $26,796.88 what is the annual rate of depreciation? (round answer to the nearest
tenth of a percent)

Answers

According to the solving  the annual rate of depreciation is approximately 4.77%.

What does "annual rate" refer to?

Annual percentage rate (APR) is the word used to define the annual interest that is generated by a payment that is due to investors or assessed to borrowers. The annual percentage rate, or APR, is a gauge of how much it actually costs to borrow cash over the duration of a loan or the income from an investment.

According to the given information:

V = V0 * e[tex]^(^-^r^t^)[/tex]

where:

V0 is the initial value of the asset (in this case, $35,000)

V is the current value of the asset (in this case, $26,796.88)

r is the annual rate of depreciation (what we want to find)

t is the time elapsed (in years)

We know that the time elapsed is 2021 - 2014 = 7 years.

26,796.88 = 35,000 * e[tex]^(^-^7^r^)[/tex]

Dividing both sides by 35,000, we get:

0.766195 = e[tex]^(^-^7^r^)[/tex]

ln(0.766195) = -7r

Solving for "r", we get:

r = -ln(0.766195) / 7

r ≈ 0.0477

the annual rate of depreciation is approximately 4.77%.

To know more about annual rate visit:

https://brainly.com/question/29766128

#SPJ1

Other Questions
What do you think is the main economic reason why businesses grow and fail and why?MUST BE WRITTEN IN COMPLETE HIGH SCHOOL LEVEL SENTENCES (at least 5 sentences) I am willing to start swimming lessons this summer muma told Monica What are the similarities between Popova and Smirnov in the play"The Bear"? The following balanced chemical equation represents the burning of octane, one of the components of gasoline used to fuel engines.2C8H18(g) +25O2(g) --> 16CO2(g) + 18H2O(l)1. How many molecules of carbon dioxide are represented by the equation?2. How many moles of octante are represented by the equation?3. What is the simplified mole ratio of octane to carbon dioxide?4. What is the simplified mole ratio of oxygen to octane? Assigning values to environmental damage is relatively O Easy because all items have a market value. O Easy because the government has the legislative authority to assign prices. O Easy because of current scientific techniques. Difficult because many items have intangible benefits and thus do not have a market price. please help i have been trying to get an answer for 5+ hoursHow is the quotient of 556 and 16 determined using an area model?Enter your answers in the boxes to complete the equations. Your final answer should be a mixed number in simplest form. james is starting to write a project for school. he uses an academic search engine to find as many articles as he can on his topic. before beginning to write, he reads many different points of view to decide how he wants to approach the topic. what type of writer is james? PLS HELP ME with all 4 questions!! your car breaks down and you are deciding to have it repaired. the most relevant issue in this economic decision is whether you have saved money to buy a new car. how much you paid for the car when you bought it. how much you spent on past repairs on the car. whether having the car repaired is worth the added cost. what is the name of the southernmost hawaiian island According to Wordsworth's Preface, a poet creates a poem _____. by following certain rules of writing when the experience or emotion first appears to him after meditating on the subjectAccording to Wordsworth's Preface, a poet creates a poem: when the experience or emotion first appears to him. how can website be used to increase ingagement in a business Place the following regions of the sun in order of increasing radius a. corona b. core c. radiative zone d. convective zone e. chromosphere f. photosphere If the sum of three consecutive natural numbers is 30 , find the numbers. Let us first form the equation. If y is the smallest among the three consecutive natural numbers, then the second smallest would be y+$ and the largest would be . just prior to performing a compulsive action, a small majority of individuals with ocd experience feelings of . QUESTION 2 "So, the Advocate Dali Mpofu is correct, we can afford free education for all South African children. But where I come from, I do not jubilate at free education, I want to revisit the curriculum; I want to know which publishing companies benefit from the education of our children, where they come from and what their philosophy of education is". Moss Mashamaite (2014). (a) Discuss the above extract with reference to Freire's views on education. (6) identify the beaker that best represents a saturated solution. assume all the solutions are at the same temperature. You are a therapist who treats girls with eating disorders. Based on the research you might take all of the following steps EXCEPT:A) Offer mandatory homeworkand exercises involving effort.B) Work to increase teens' efficacy feelings.C) Work to empower teens to resist the thin ideal.D) Work to encourage teens to date more. milton's auto service is a small auto maintenance and repair shop located in a small town in a garage behind milton's house. milton doesn't charge as much as auto dealerships, so he has a steady stream of local customers. which of the following best describes milton's strategy? a. strategic alliances b. innovation c. cost-based d. differentiation-based found in madagascar, the smallest known reptile is a type of what?