When 3 < x < 5, y can be expressed as y = 3x - 6 without absolute value notation.
What is absolute value notation ?
Absolute value notation is a mathematical notation used to represent the magnitude or distance of a real number from zero. It is denoted by vertical bars or pipes around the number. For example, the absolute value of x is written as |x|.
When 3 < x < 5, the expression |x-3| evaluates to x-3, the expression |x+2| evaluates to x+2, and the expression |x-5| evaluates to 5-x. Therefore, we can rewrite the expression y = |x-3| + |x+2| - |x-5| as:
y = (x-3) + (x+2) - (5-x)
Simplifying this expression, we get:
y = 3x - 6
Therefore, when 3 < x < 5, y can be expressed as y = 3x - 6 without absolute value notation.
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The area of a rectangular living room is 144 square feet. The length of the room is four times its width. Find the length and width of the living room.
quiz I need help D:
Answer:
Length equals 6
Width equals 24
Step-by-step explanation:
if you do 6 x 4 you get 24 and
24 x 6 equals 144.
If point c is between points A and B the. __+CB=AB
If An = 4(2)^n-1 , what is Sa?
The sum of the geometric progression is the sum S₃ = 32
What is sum of terms of a geometric progression?The sum of terms of a geometric progression is given by
Sₙ = a(rⁿ - 1)/(r - 1) where
a = first term ,r = common ratio and n = number of termsGiven the geometric progression, aₙ = 4(2)ⁿ⁻¹ comparng it with the general term of a geometric sequence aₙ = arⁿ⁻¹, then
a = first term = 4 and r = common ratio = 2Now, we desire S₃, that is Sₙ when n = 3.
So, S₃ = a(r³ - 1)/(r - 1)
= 4(2³ - 1)/(2 - 1)
= 4(8 - 1)/1
= 4(8)
= 32
So, the sum S₃ = 32
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the measures of the angles in a triangle are in the extended ratio of 1:4:7 find the measures of the angles
The angles of the triangle measure 15 degrees, 60 degrees, and 105 degrees.
Let the measures of the angles in the triangle be x, 4x, and 7x, where x is a constant.
According to the properties of a triangle, the sum of the angles is 180 degrees. So we have
x + 4x + 7x = 180
Simplifying this equation, we get
12x = 180
Dividing both sides by 12, we get
x = 15
Therefore, the measures of the angles are:
x = 15 degrees
4x = 4 × 15
Multiply the numbers
= 60 degrees
7x = 7 × 15
Multiply the numbers
= 105 degrees
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in exploration 4.5.3 question 7, what is the magnitude of the the sum of the forces? (round your answer to the nearest tenth).\
Because the resultant is the closing side of the triangle according to the triangle law of vector addition, the resultant vector's magnitude would be 13.93 metres.
A vector quantity is what?
The vector quantities are those that include both the direction and the magnitude of the quantities.
The vector quantities include things like force, acceleration, and displacement.
Scalar quantities only have the magnitude of the quantity measured; they do not have information about the direction.
The triangle law of vector addition can be used to calculate the resultant vector.
Using the right-angled triangle's Pythagoras theorem
[tex]Base^{2} + Height^{2} = Resultant^{2}[/tex]
[tex]132 + 52 = Resultant^{2}[/tex]
Outcome 2 = 194
The outcome is 194
=13.93 m
According to the triangle law of vector addition, the resultant vector would have a magnitude of 13.93 metres since it is the triangle's closing side.
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There are two coins. One of them is a biased coin such that P (head): P (tail) is 1 : 3 and the other coin is a fair coin. A coin is selected at random and tossed once. If the coin showed head, then find the probability that it is a biased coin.
Answer:
Step-by-step explanation:
Let B be the event that the selected coin is biased, and F be the event that the selected coin is fair. Let H be the event that the coin toss shows a head.
We want to find P(B|H), the probability that the selected coin is biased given that the coin toss shows a head. By Bayes' theorem, we have:
P(B|H) = P(H|B) * P(B) / P(H)
We know that P(H|B) = 1/4 (since the biased coin has a probability of 1/4 of showing a head), and that P(B) = 1/2 (since there are two coins, one of which is biased).
To find P(H), we can use the law of total probability:
P(H) = P(H|B) * P(B) + P(H|F) * P(F)
P(H) = (1/4) * (1/2) + (1/2) * (1/2)
P(H) = 3/8
Putting it all together:
P(B|H) = P(H|B) * P(B) / P(H)
P(B|H) = (1/4) * (1/2) / (3/8)
P(B|H) = 1/3
Therefore, the probability that the selected coin is biased given that the coin toss shows a head is 1/3.
Standard Error of the Mean =
Confidence Interval Estimate for the Mean
Margin of Error E= Z
= Z. V
±Z
You want to rent a one-bedroom apartment near BCIT for next term. The mean monthly rent for a random sample of 36 apartments advertised for rent on Craigslist is $1,235. Assume that the population standard deviation is $150.
(a) Give the point estimate of the true mean monthly rent for one-bedroom
apartments available for rent near BCIT.
Answer=$
(b) At the 95% confidence level, what is the margin of error on your estimate of the true mean monthly rent for one-bedroom apartments available for rent near
BCIT.
Answer=$
(c) Construct a 95% confidence interval for the true mean monthly rent for one-bedroom apartments.
Lower value=$
Upper value=$
Choose the correct statement to interpret the confidence interval.
• I am totally confident that the population mean belongs to this confidence interval.
• I am 95% confident that the true population mean belongs to this confidence interval.
(d) A friend claims the average monthly rent for a one-bedroom apartment available for rent near BCIT is at least $1,300. Based on your confidence interval do you agree?
• Yes
• No
(e) What is the z-score used to construct a 92% confidence interval?
Answer= (Enter a positive value in 2 decimal places)
"I am 95% convinced that the true population mean corresponds to this confidence interval," is the appropriate sentence to use when interpreting the confidence interval.
What does the statistical term "population" mean?Each whole group that shares at least one trait is referred to be a population. People do not make up all populations. Individuals, animals, groups, organisations, edifices, edifices, buildings, houses, farms, items, or events can all be considered populations.
As a rough estimate, the true mean monthly rent is $1,235.
At a 95% confidence level, the critical value (Z) for a two-tailed test is 1.96. The margin of error can be calculated as follows:
The 95% confidence interval can be obtained as follows:
CI = 1235 1.96*(150/36) CI = X Z*(n/n)
Lower value: 1.96 * (150/36) * 1235 = $1,175.20
Higher value: $1,294.80 = 1235 + 1.96 * (150/36).
Higher value: $1,294.80; Lower value: $1,175.20
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Suppose the chance of rain on Saturday is and the chance of rain on Sunday is also. A student wants to run a simulation to estimate the probability that it will rain on both days. (Example 1) Date Go Online You can complete you Part A How can the student model the chance of it raining on each day? Design a simulation.
The student can model the chance of it raining on each day through a simulation that is designed with the help of a random number generator.
How to model the situation ?Use a random number generator to simulate the probability of rain for Saturday and Sunday, using the given probability as the likelihood of rain. For example, if the probability of rain is 0.3, the random number generator can generate a random number between 0 and 1, and if the number is less than 0.3, it is considered as rain, otherwise, it is considered as no rain.
Repeat step 1 a large number of times, say 10,000 or more, to obtain a sample of random outcomes for the probability of rain on each day. Count the number of times it rains on both days in the sample. The student can then divide the number of times it rains on both days by the total number of simulations to estimate the probability of it raining on both days.
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IF 1 POUND OF RAW SPAGHETTI NOODLES MAKES 5 CUPS OF COOKED SPAGHETTI NOODLES, HOW MANY POUNDS OF RAW SPAGHETTI NOODLES WOULD BE NEEDED TO MAKE 30 CUPS OF COOKED NOODLES
Answer: 6 pounds
Step-by-step explanation:
If 1 pound of raw spaghetti makes 5 cups of cooked spaghetti, then we can set up a proportion:
1 pound raw spaghetti : 5 cups cooked spaghetti = x pounds raw spaghetti : 30 cups cooked spaghetti
To solve for x, we can cross-multiply and simplify:
1 * 30 = 5 * x
30 = 5x
x = 6
Therefore, 6 pounds of raw spaghetti noodles would be needed to make 30 cups of cooked noodles.
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Parallelogram ABCD is a rhombus with measure EBC = 36. What is the measure of DAE?
picture below
Answer:
54°
Step-by-step explanation:
AB = BC = CD = AD (Because all sides of a rhombus are equal)
Let's consider the triangle DBC:
BC = DC => ∠DBC = 36°
The angle DCB is equal to:
180° - 36*2 = 180° - 72° = 108°
In a parallelogram, opposite angles are equal.
Then the angle DAB = DCB = 108°
Also, we know that the diagonals of a rhombus are the bisectors of the angles from which they come.
So, the angle DAE = EAB = 108° / 2 = 54°
15. Math. The poissonier receives 30 lb.. 4 oz. of
dressed mahi-mahi. After filleting and skinning.
13 lb.. 12 oz. of fillets were produced. What
is the yield percentage of the fillets? If the
whole dressed mahi-mahi was purchased
for $5.85/b.. what is the per pound cost of
the fillets?
Answer:
To find the yield percentage of the fillets, we need to divide the weight of the fillets by the weight of the dressed mahi-mahi and then multiply by 100 to get a percentage:
Yield percentage = (Weight of fillets / Weight of dressed mahi-mahi) x 100%
First, we need to convert the weights to a common unit, such as ounces:
Weight of dressed mahi-mahi = 30 lb. 4 oz. = 484 oz.
Weight of fillets = 13 lb. 12 oz. = 220 oz.
Now we can calculate the yield percentage:
Yield percentage = (220 oz. / 484 oz.) x 100% = 45.45%
So the yield percentage of the fillets is 45.45%.
To find the per pound cost of the fillets, we need to divide the total cost of the dressed mahi-mahi by its weight in pounds, and then multiply by the yield percentage to get the cost per pound of fillets:
Total cost of dressed mahi-mahi = 30.25 lb. x $5.85/b. = $176.96
Weight of dressed mahi-mahi in pounds = 30.25 lb.
Weight of fillets in pounds = 13.75 lb.
Cost per pound of fillets = (Total cost of dressed mahi-mahi / Weight of dressed mahi-mahi) x Yield percentage / 100%
Cost per pound of fillets = ($176.96 / 30.25 lb.) x 45.45% = $3.04/lb.
Therefore, the per pound cost of the fillets is $3.04/lb.
Individuals who identify as male and female were surveyed
regarding their diets.
Meat-
eater
Male 35
Female 37
Total 72
.
Vegetarian Pescatarian Vegan Total
12
23
35
24
14
38
18
27
45
89
101
190
What is the probability that a randomly selected
person is a pescatarian or vegetarian? Round your
answer to the hundredths place.
Answer:
The number of individuals who are either pescatarians or vegetarians is 12 + 27 = 39.
The total number of individuals surveyed is 190.
Therefore, the probability of selecting a pescatarian or vegetarian at random from the survey is:
39/190 ≈ 0.21
Rounding to the hundredths place, the probability is approximately 0.21.
A candy store owner used a cylindrical wooden log as a bench in their store. The height
of that log was 2
feet. The diameter of its base was 1.25
feet. If it costs $7.20
per square foot to paint that log at every side, how much approximately will it cost the
store owner? The total surface area of the right circular cylinder is 2nrh+2rr2
, where, r
is the radius of the base of the cylinder and, h
is the height of the cylinder
Answer:
Step-by-step explanation:
its 60
A rain gutter is made of sheets of metal 9 inches wide. The gutters have a 3 inch base and two 3 inch sides, folded up at an angle of . What angle will maximize the cross sectional area of the rain gutter?
The value of angle that maximizes the cross sectional area is 60°
What is the cross sectional area of a solid?The cross sectional area of a solid is the two dimensional surface formed when the solid is sectioned by a plane.
The shape of the cross sectional area of the gutter is a trapezoid
Area of a trapezoid = ((Sum of the lengths of the parallel sides)/2) × Height
Let a and b represent the parallel sides of the trapezoid, and let a represent the base of the trapezoid we get;
A = ((a + b)/2) × h
a = 3 inches
b = The longer parallel side
h = The height of the trapezoid
The angle formed by the sides of a trapezium and the horizontal = θ
Therefore;
h = 3 × sin(θ)
b = 3 + 2 × 3·cos(θ)
A(θ) = ((3 + 3 + 2 × 3·cos(θ)) × 3 × sin(θ))/2 = 9·sin(θ)·cos(θ) + 9·sin(θ)
At the extremum value of θ, we get;
A'(θ) = 18·cos²(θ) + 9·cos(θ) - 9 = 0
Solving, we get;
cos(θ) = 0.5 or cos(θ) = -1
Therefore;
θ = arccos(0.5) = 60° and θ = arccos(0.5) = 180°
When θ = 60°, we get;
A(max) = 9·sin(60)·cos(60) + 9·sin(60) ≈ 11.69
The cross sectional area when θ is 60° is about 11.69 square inches which is larger than the 9 square inched when θ = 90°
The angle that maximizes the cross sectional area is θ = 60°
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FILL IN THE BLANK.A point that moves on a coordinate line is said to be in simple ___ ___ if its distance d from origin at time t is given by either d=a sinωt or d=a cosωt.
"A point that moves on a coordinate line is said to be in simple harmonic motion if its distance d from origin at time t is given by either d = a sinωt or d = a cosωt."
Any function which is written in the form 'a sin(ωt+Ф)' and 'a cos(ωt+Ф)' is said to be a simple harmonic motion.
One definition of a periodic motion is a straightforward harmonic motion. The acceleration of the particle at any location is directly proportional to the displacement from the mean position in simple harmonic motion, which is an oscillatory motion.
Simple harmonic motion, or SHM, is a specific type of repeated or periodic motion that describes the motion of the pendulum. The oscillating object's location changes sinusoidally over time.
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3) ____ is the expression,
which tells the nature of the roots of a quadratic equation of the form
3) ____ is the expression,
which tells the nature of the roots of a quadratic equation of the form
Question 6 (2 points)
A wire costs $3 per foot. How much will 18 inches of wire cost?
$1.50
$3.00
$4.50
$9
Answer:
$4.50
Step-by-step explanation:
There are 12 inches in a foot. 18 inches is 1.5 feet.
1 foot of wire is $3.00 and a half of foot should be $1.50.
1.5 feet of wire should cost $4.50
1.5 ft × $3/ft
= $4.50
Find the values of a and b such that 4x^2+12x=4(x+p)^2-q
Answer: p = 1.5 and q = 9
Step-by-step explanation:
Expand the right side then compare the coefficients of like terms on both sides, that is
4(x + p)² - q ← expand (x + p)² using FOIL
= 4(x² + 2px + p²) - q ← distribute parenthesis
= 4x² + 8px + 4p² - q
Comparing coefficients of like terms on both sides
8p = 12 ( coefficients of x- terms ) ← divide both sides by 8
p = 1.5
4p² - q = 0 ( constant terms ), that is
4(1.5)² - q = 0
9 - q = 0 ( subtract 9 from both sides )
- q = - 9 ( multiply both sides by - 1 )
q = 9
Without an appointment, the average waiting time in minutes at the doctor's office has the probability density function f(t)=1/38, where 0≤t≤38
Step 1 of 2:
What is the probability that you will wait at least 26 minutes? Enter your answer as an exact expression or rounded to 3 decimal places.
Step 2 of 2:
What is the average waiting time?
The probability of waiting at least 26 minutes is 0.316. The average waiting time is 19 minutes.
Step 1:
The probability of waiting at least 26 minutes can be calculated by finding the area under the probability density function from 26 to 38:
P(waiting at least 26 minutes) = ∫26^38 (1/38) dt = [t/38] from 26 to 38
= (38/38) - (26/38) = 12/38 = 0.316
So the probability of waiting at least 26 minutes is 0.316 or approximately 0.316 rounded to 3 decimal places.
Step 2:
The average waiting time can be calculated by finding the expected value of the probability density function:
E(waiting time) = ∫0³⁸ t f(t) dt = ∫0³⁸ (t/38) dt
= [(t²)/(238)] from 0 to 38
= (38²)/(238) = 19
Therefore, the average waiting time is 19 minutes.
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what the answer of this
The correct option for this question is (d) "No, none of the sides are parallel."
why it is and what is a Quadrilateral?
To determine if quadrilateral CDEF is a trapezoid, we need to check if it has exactly one pair of parallel sides.
We can find the slopes of the line segments CD and EF as follows:
slope of CD = (5 - (-6)) / (-8 - (-1)) = 11 / (-7) = -1.57 (approx.)
slope of EF = (8 - 5) / (3 - 4) = 3 / (-1) = -3
Since the slopes are different, CD and EF are not parallel, and therefore, CDEF is not a trapezoid.
Alternatively, we can also find the slopes of the line segments CF and DE as follows:
slope of CF = (-5 - (-6)) / (4 - (-1)) = 1/5
slope of DE = (8 - 5) / (3 - (-8)) = 3/11
Since the slopes are different, CF and DE are not parallel, and therefore, CDEF is not a trapezoid.
Therefore, the answer is option (d) "No, none of the sides are parallel."
A quadrilateral is a geometric shape that has four straight sides and four vertices (corners). It is a two-dimensional polygon with four sides and four angles. The sum of the interior angles of a quadrilateral is always 360 degrees.
There are many types of quadrilaterals, including squares, rectangles, rhombuses, parallelograms, trapezoids, and kites.
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How many 3/4 are in 2?
Answer:
Step-by-step explanation:
Because we want to know how many three-fourths there are, we have to make groups of 3 fourths, or divide the number of fourths we have by 3. So there are (2\times 4)\div 3 = 8\div 3 = 2 \fraction three-fourths in 2.
Multiply fraction or mixed number by a whole number 3 x 3/5
Answer:
To multiply a whole number and a fraction, we can simply multiply the whole number with the numerator of the fraction and keep the denominator the same.
So, 3 x 3/5 = (3 x 3)/5 = 9/5
Therefore, 3 x 3/5 = 9/5.
Answer:
Step-by-step explanation:
9x/5
Find the slope of the line that passes through the pair of points.
(5, 4), (8, –1)
Answer:
m = -5/3
Step-by-step explanation:
Slope = rise/run or (y2 - y1) / (x2 - x1)
Points (5, 4) (8, –1)
We see the y decrease by 5 and the x increase by 3, so the slope is
m = -5/3
3.4 3.2 3.3 5m 3.142 Radius of semi-circie = 5.5m Area of cir Au 35m YOGA TWEM Define the word Perimeter in this context. Calculate the length of the swimming pool. If the circumference of the semi-circle is 17 3m. Calculate tl. total perimeter of the swimming pool. Calculate the total area of the floor of the swimm You may use the given formu
In the context of a semi-circle, the perimeter refers to the total distance around the curved edge of the semi-circle. It is calculated by adding the length of the straight edge (diameter) to half the circumference of the semi-circle.
The total area of the floor of the swimming pool is 23.86 square meters.
How to calculate the valueThe diameter of the semi-circle is twice the radius, so the diameter is 2 × 5.5m = 11m.
Therefore, the perimeter of the semi-circle is:
Perimeter = Diameter + Circumference/2
Perimeter = 11m + 17.3m/2
Perimeter = 20.3m
The length of the swimming pool is equal to the perimeter of the semi-circle, which is 20.3 meters.
To calculate the total area of the floor of the swimming pool, we need to find the area of the semi-circle. The formula for the area of a semi-circle is:
Area = πr²/2
where π is a constant approximately equal to 3.14 and r is the radius of the semi-circle.
In this case, the radius is 5.5m, so the area of the semi-circle is:
Area = π(5.5m)²/2
Area = 47.71m²/2
Area = 23.86m²
Therefore, the total area of the floor of the swimming pool is 23.86 square meters.
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Radius of semi-circle = 5.5m Define the word Perimeter in this context. Calculate the length of the swimming pool. If the circumference of the semi-circle is 17 3m. Calculate the total area of the floor of the swimming pool.
Find an equation for a sinusoidal function that has period 47, amplitude 1, and contains the point
(-л, 2).
Write your answer in the form f(x) = Asin (Bx + C) + D, where A, B, C, and D are real numbers.
f(x) =
The sine function with the desired features is given as follows:
F(x) = sin(3.5π(x + π/2)) + 1.
How to define the sine function?The standard definition of the sine function is given as follows:
y = Asin(B(x - C)) + D.
For which the parameters are listed as follows:
A: amplitude.B: the period is 2π/B.C: phase shift.D: vertical shift.The function has an amplitude of 1, hence the parameter A is given as follows:
A = 1.
The period is of 4/7, hence the coefficient B is given as follows:
2π/B = 4/7
4B = 14π
B = 3.5π.
The function contains the point (-π, 2), hence the phase shift and the vertical shift are given as follows:
c = π/2, as the function has it's maximum value at x = π, while the standard function has at x = π/2.d = 1, as the function oscillates between 0 and 2.Hence the function is:
F(x) = sin(3.5π(x + π/2)) + 1.
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Help please! I have no idea!!!!
By shifting the appropriate numbers to the appropriate locations, the equations become true with [tex]f(-6) = 5, f(x) = 3[/tex] , and [tex]x = -5,[/tex] and [tex]f(7) = 8[/tex] .
What is equation?An equation is a claim that two expressions are equivalent in mathematics. Usually, it has one or more factors, which stand in for the unknowable elements we're trying to figure out how to calculate.
Equations can be used to depict actual-world circumstances or to explain relationships between various mathematical things.
For instance, the equation [tex]"x + 3 = 7"[/tex] indicates that the total of the constant "3" and the variable "x" equals 7. By taking 3 out of both parts of the equation, we can find "x" and get [tex]"x = 4"[/tex] as a result.
Given
To make the equations true, move the right values to the right places in the table below:
[tex]f(-6) = 5[/tex]
[tex]f(x) = 3; x = -5[/tex]
[tex]f(7) = 8[/tex]
By shifting the appropriate numbers to the appropriate locations, the equations become true with [tex]f(-6) = 5, f(x) = 3,[/tex] and [tex]x = -5[/tex] , and [tex]f(7) = 8[/tex] .
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The complete question is :- Use the table below to drag the correct numbers to their appropriate spots to make the equations true:
(Fill in the blank)
X f(x)
-6 8
7 3
4 -5
3 -2
-5 12
The table below shows a set of dataWhich statement about the table is true?
The correct option A) There is a cluster, and as x decreases, y increases.
The table represents a set of data containing two variables, x and y. By analyzing the data, we can observe a cluster of values around x = 4 with corresponding y values in the range of 42-45. As we move towards smaller x values, there is a general trend of increasing y values. However, there are a few outliers. Based on these observations, statement A is the most accurate description of the data in the table. It is important to note that the accuracy of the statement is limited to the given data, and further analysis or additional data may reveal a different trend or pattern.
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Complete question:
The table below shows a set of data. Which statement about the table is true?
x: 1.6, 1.9, 2.3, 3.4, 3.8, 4.2, 4.3, 4.6, 4.8.
y: 39, 38, 42, 40, 41, 44, 42, 45, 44
Which statement about the table is true?
A) There is a cluster, and as x decreases, y increases.
B) There is a cluster, and as x increases, y increases.
C) There is not a cluster, and as x increases, y increases.
D) There is not a cluster, and as x decreases, y increases.
Find the volume of the solid.
3 in
8 in
8 in
7 in
15 in
Answer:
Volume = length x width x height
3 in x 8 in x 8 in = 192 cubic inches
Intelligence Quotient (IQ) scores are often reported to be normally distributed with μ = 100.0 and a = 15.0. A random sample of 53 people is taken.
Step 1 of 2: What is the probability of a random person on the street having an IQ score of less than 99? Round your answer
to 4 decimal places, if necessary.
The probability that a stranger on the street has an IQ below 98 is 0.4470, or 44.70%.
What is Probability?Probability is the concept that describes the likelihood of an event occurring.
In real life, we frequently have to make predictions about how things will turn out.
We may be aware of the result of an occurrence or not.
When this occurs, we state that there is a possibility that the event will occur.
In general, probability has many excellent applications in games, commerce, and this newly growing area of artificial intelligence
The chance of an event can be calculated using the probability formula by only dividing the favourable number of possibilities by the total number of potential outcomes.
According to our question-
z= x-a/u
98-100/15
Hence, A chance of a random individual on the street having an IQ below 98 is 0.4470, or 44.70%.
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What is the value of 2/2 exponent -3
Answer:1
Step-by-step explanation:
2/2=1
1^-3=1
1/1times1times1
Answer:
1
Step-by-step explanation:
[tex]\frac{2}{2}[/tex] = 1
[tex]1^{-3}[/tex] To make a negative exponent positive, put it under one.
[tex]\frac{1}{1^{3} }[/tex] = [tex]\frac{1}{1}[/tex] = 1
Helping in the name of Jesus.