How many ways are there to arrange 12 (distinct) people in a row so that Dr. Tucker is 3 positions away from Dr. Stanley (i.e., 2 people are inbetween Dr. Tucker and Dr. Stanley), e.g., . . . . T _ _ S . . . .

The probability that at least one household has their TV set tuned to the game is 1 - (1-0.22)^33, which is approximately 0.993.

To solve this problem using the direct method, we can use the fact that 22% of TV sets were tuned to the game. This means that the probability of a randomly selected TV set being tuned to the game is 0.22.

To find the probability that at least one of the 33 households surveyed had their TV set tuned to the game, we can use the complement method. The complement of the event "at least one household has their TV set tuned to the game" is "none of the households have their TV set tuned to the game".

Using the complement method, we can find the probability of this event by taking the probability that no households have their TV set tuned to the game, which is (1-0.22)^33.

So, the probability that at least one household has their TV set tuned to the game is 1 - (1-0.22)^33, which is approximately 0.993.

If I had to do this by hand, I would use the complement method, as it involves simpler calculations.

To find the probability that at least one TV set among the 33 households surveyed is tuned to NBC Sunday Night Football, we can use either the direct method or the complement method.

1. Direct Method:
The direct method requires calculating the probabilities of 1, 2, 3, ..., 33 households watching the game, and then summing up these probabilities. This method can be tedious and time-consuming, especially when done by hand.

2. Complement Method:
The complement method is generally easier and quicker, as it involves calculating the probability that none of the 33 households is watching the game and then subtracting this probability from 1.

Given that 22% (0.22) of the TV sets in use were tuned to the game, the probability that a household is not watching the game is 1 - 0.22 = 0.78.

For all 33 households not to be watching the game, the probability is (0.78)^33 ≈ 0.00038.

Now, to find the probability that at least one household is watching the game, we subtract this probability from 1:

1 - 0.00038 ≈ 0.99962.

So, the probability that at least one of the 33 households is tuned to NBC Sunday Night Football is approximately 0.99962.

If you had to do this by hand, the complement method would be the preferred approach, as it requires fewer calculations and is more straightforward.

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The least amount Kayla's grandfather can spend on the wood for the toy box is $138.

To determine the least amount Kayla's grandfather can spend on the wood for the toy box, we first need to find the surface area of the box, which is 2 ft tall, 2.5 ft wide, and 4 ft long.

The surface area of a rectangular box can be calculated using the formula: SA = 2lw + 2lh + 2wh, where l is the length, w is the width, and h is the height.

Plugging in the values, we get:
SA = 2(4)(2.5) + 2(4)(2) + 2(2.5)(2) = 20 + 16 + 10 = 46 square feet.

Since the wood costs $3 per square foot, the least amount Kayla's grandfather can spend on the wood is:
Cost = 46 square feet * $3 per square foot = $138.

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To find the exact probability, you'll need the value of 'p', which is the probability of appropriate treatment and compliance using binomial probability.

To determine the probability that among 10 true hypertensives at least 50% are being treated appropriately and are complying with this treatment, we can use the binomial probability formula. Here's a step-by-step explanation:

1. Define the terms:
  - n = number of trials (10 true hypertensives)
  - k = number of successful outcomes (at least 50% being treated appropriately and complying, so 5 to 10)
  - p = probability of success (appropriate treatment and compliance, let's assume it as 'p')
  - q = probability of failure (1 - p)

2. Use the binomial probability formula:
  P(X = k) = C(n, k) * [tex](p^k) * (q^(n-k))[/tex]

3. Sum the probabilities for k = 5 to k = 10:
  P(at least 50% treated) = P(X = 5) + P(X = 6) + ... + P(X = 10)

4. Calculate the probabilities using the formula for each k value:
  P(X = 5) = C(10, 5) * (p^5) * (q^5)
  P(X = 6) = C(10, 6) * (p^6) * (q^4)
  ...
  P(X = 10) = C(10, 10) * (p^10) * (q^0)

5. Add the probabilities to find the final probability:
  P(at least 50% treated) = P(X = 5) + P(X = 6) + ... + P(X = 10)

To find the exact probability, you'll need the value of 'p', which is the probability of appropriate treatment and compliance. Once you have that value, plug it into the calculations above and sum the probabilities to get the final answer.

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Answer:

55

Step-by-step explanation:

test taking strategy if you have no idea how to calculate the angle: n is an acute angle, so definitely not 100 or 110.  it can't be 25 cause it appears much bigger than 25. so it has to be 55.

The value of point A is less than -3: false.

In Mathematics and Geometry, a number line simply refers to a type of graph with a graduated straight line which comprises both positive and negative numbers that are placed at equal intervals along its length.

This ultimately implies that, a number line primarily increases in numerical value towards the right from zero (0) and decreases in numerical value towards the left from zero (0).

From the number line shown in the image attached below, we have the following point:

Point A = -2

In conclusion, -2 is greater than -3 based on the number line shown.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Answer:

Step-by-step explanation:

To calculate the total length of crepe paper Katie needs to buy, we first need to find the length of each diagonal of the ceiling.

Since the ceiling is a square, the length of each diagonal can be found using the Pythagorean theorem:

diagonal^2 = side^2 + side^2

diagonal^2 = 2 * side^2

diagonal = sqrt(2 * side^2)

diagonal = sqrt(2 * 20^2) = sqrt(800) = 20 * sqrt(2)

So the length of each diagonal is 20 * sqrt(2) ft.

Katie needs to hang crepe paper around the perimeter of the ceiling, which is 4 * 20 = 80 ft long.

She also needs to hang crepe paper from each corner to the opposite corner, which means she needs to cover the length of each diagonal twice. So the total length of crepe paper she needs is:

2 * 20 * sqrt(2) + 80 = 40 * sqrt(2) + 80 ≈ 131.31 ft

Therefore, Katie needs to buy at least 6 rolls of crepe paper (since each roll contains 25 ft of crepe paper).

The approximate growth rate of the population would be 1.49%.

To find the approximate growth rate of a population that roughly doubles in the course of 47 years, we can use the rule of 70.

The rule of 70 states that if a population's growth rate is x% per year, the population will double in approximately 70/x years.

In this case, we know that the population doubles in 47 years. To find the growth rate, we can use the formula:

Doubling time = 70 / growth rate

Solving for the growth rate, we get:

Growth rate = 70 / doubling time

Substituting the given value of 47 years for the doubling time, we get:

Growth rate = 70 / 47

Growth rate ≈ 1.49%

Therefore, the approximate growth rate of the population would be 1.49%.

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The 95% confidence interval for the mean gas mileage of a 2012 Prius by all drivers who participate on fueleconomy.gov would depend on the sample size and the sample mean and standard deviation of the gas mileage data.

To calculate a 95% confidence interval for the mean gas mileage of a 2012 Prius by all drivers who participate on fueleconomy.gov, we would need to gather a sample of gas mileage data from the website. We would then calculate the sample mean and standard deviation of the gas mileage.
Assuming the sample follows a normal distribution and we have a sample size of at least 30, we can use the t-distribution to calculate the confidence interval. With a 95% confidence level and n degrees of freedom (n-1 = sample size - 1), we can look up the t-value using a t-distribution table or calculator.
Once we have the t-value, we can plug it into the following formula to calculate the confidence interval:
Confidence interval = sample mean ± (t-value * standard error)
The standard error is calculated by dividing the sample standard deviation by the square root of the sample size.

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The probability of getting someone in the 18-21 age bracket or someone who refused to respond is approximately 0.34 or 34%.

To find the probability of getting someone in the 18-21 age bracket or someone who refused to respond, we need to add the probabilities of these two events happening.

First, let's find the probability of getting someone in the 18-21 age bracket. Out of the total 374 people contacted, 88 are in this age bracket. So the probability of getting someone in this age bracket is 88/374.

Next, let's find the probability of getting someone who refused to respond. Out of the total 374 people contacted, 13 in the 18-21 age bracket and 26 in the 22-29 age bracket refused to respond. So the total number of people who refused to respond is 13+26=39. Therefore, the probability of getting someone who refused to respond is 39/374.

Finally, we add these two probabilities to get the probability of getting someone in the 18-21 age bracket or someone who refused to respond:

88/374 + 39/374 = 127/374

total is 0.34% or 34%

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The largest value that should appear on the x-axis assuming that the tick marks will be separated by 5 is 95.

Since the tick marks are separated by 5, we can start with the smallest tick mark at 0 and add 5 for each subsequent tick mark.

To determine the largest value that should appear on the x-axis, we need to find the largest multiple of 5 that is less than or equal to the largest value in the data set. In this case, we don't have any information about the data set, so we can't determine the largest value.

However, we can assume that the x-axis should be long enough to accommodate the largest value that we expect to see. If we assume that the largest value is 100, then the largest multiple of 5 that is less than or equal to 100 is 95.

Therefore, the largest value is 95.

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The most likely action that the researcher will take will depend on the specific details of the experiment, the resources available, and the scientific objectives of the study. However, the researcher should aim to address the sources of uncertainty and variability in the data to obtain a more accurate estimate of the response time that can be of practical use.

The wide confidence interval indicates that there is a large amount of uncertainty in the estimate of the average response time. To obtain a more precise estimate, the researcher may need to increase the sample size or use a different experimental design to reduce variability and improve the accuracy of the estimate.

Alternatively, the researcher may need to revise the methodology or protocol to identify potential sources of error or bias in the data collection process. For instance, if the stimulus is poorly calibrated, or if the mice are not acclimated to the testing environment, this could contribute to variability in the response time.

Another possibility is to explore alternative statistical methods that may provide a more precise estimate of the response time. For instance, if the distribution of response times is known to be skewed, the researcher could use a nonparametric method to estimate the median response time instead of the mean.

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The value of x in the circle is 10.75.

Option B is the correct answer.

We have,

In a circle, opposite angles are equal. So, we have:

m∠AOB = m∠COD (opposite angles)

Also, adjacent angles in a cyclic quadrilateral add up to 180 degrees.

m∠AOB + m∠BOD = 180°

Substituting the given values, we get:

(2x - 4)° + (14x + 12)° = 180°

Simplifying and solving for x, we get:

16x + 8 = 180

16x = 172

x = 10.75

Therefore,

The value of x in the circle is 10.75.

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The median from A meets BC at D is  (2.5, 3)

The coordinates of the point D is (4,2).

(i) To find the coordinates of the point D, we first need to find the midpoint of BC.

Midpoint of BC = ( (1+6)/2 , (4+5)/2 ) = (3.5, 4.5)

Now, we can find the slope of AD as follows:

Slope of AD = (5-2) / (6-4) = 1.5

Using the point-slope form of a line, we can write the equation of AD as:

y - 2 = 1.5(x - 4)

Simplifying this equation, we get:

y = 1.5x - 4

To find the coordinates of D, we need to solve for the intersection of AD and BC.

Substituting y = 1.5x - 4 into the equation of BC (y - 4 = (5-4)/(6-1)(x-1)), we get:

1.5x - 4 = 0.2x + 3.6

Solving for x, we get:

x = 4

Substituting x = 4 into the equation of AD, we get:

y = 1.5(4) - 4 = 2


(ii) To find the coordinates of the midpoint of AB, we can simply use the midpoint formula:

Midpoint of AB = ( (4+6)/2 , (2+5)/2 ) = (5, 3.5)

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In this survey of 120 consumers, we are given information about the preferences for Brand A and Brand B, as well as the overlap of those who buy both brands. To determine how many consumers buy either Brand A or Brand B, we can use the principle of inclusion-exclusion.

According to the survey, 80 consumers buy Brand A, 68 buy Brand B, and 42 buy both brands. First, we need to find the total number of consumers who buy either Brand A or Brand B without considering the overlap. To do this, we add the number of consumers for both brands:

80 (Brand A) + 68 (Brand B) = 148 consumers

Now, we have to account for the overlap, which are the 42 consumers who buy both brands. Since these consumers have been counted twice (once for each brand), we need to subtract the overlap from the total:

148 (total) - 42 (overlap) = 106 consumers

Therefore, 106 consumers participating in the survey buy either Brand A or Brand B.

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Answer: 4976.28

Step-by-step explanation:

V=πr2h=π·122·11≈4976.28276

hope this helps!

A ski resort asked a random sample of guests to rate their satisfaction on various attributes of their visit on a scale of 1–5 with 1 = very unsatisfied and 5 = very satisfied.

(a) The fitted regression equation is:
y = 2.9952 + 0.1530 * Lift Weight + 0.2477 * Amount Groomed + 0.0490 * Ski Patrol Visibility - 0.1136 * Friendliness Hosts
(b) The coefficients represent the impact that each predictor variable has on the overall satisfaction score. Specifically:
- The intercept (2.9952) represents the overall satisfaction score when all predictor variables are equal to zero.
- The coefficient for Lift Wait (0.1530) suggests that for every one unit increase in lift line wait time (measured in minutes), the overall satisfaction score is expected to increase by 0.1530 points, on average.
- The coefficient for Amount Groomed (0.2477) suggests that for every one unit increase in the amount of ski trail grooming (measured on a scale of 1-5), the overall satisfaction score is expected to increase by 0.2477 points, on average.
- The coefficient for Ski Patrol Visibility (0.0490) suggests that for every one unit increase in safety patrol visibility (measured on a scale of 1-5), the overall satisfaction score is expected to increase by 0.0490 points, on average.
- The coefficient for FriendlinessHosts (-0.1136) suggests that for every one unit increase in friendliness of guest services (measured on a scale of 1-5), the overall satisfaction score is expected to decrease by 0.1136 points, on average.
(c) To make a prediction for overall satisfaction when all four areas are rated a 3, we can simply plug in the values into the fitted regression equation:
y = 2.9952 + 0.1530 * 3 + 0.2477 * 3 + 0.0490 * 3 - 0.1136 * 3
y= 3.9322
Therefore, the predicted overall satisfaction score when lift line wait time, amount of ski trail grooming, safety patrol visibility, and friendliness of guest services are all rated as 3 is 3.9322.

(a) To write the fitted regression equation, we will plug in the given coefficients for each predictor variable:
y= 2.9952 + 0.1530 * Lift weight + 0.2477 * Amount Groomed + 0.0490 * Sk iPatrol Visibility - 0.1136 * Friendliness Hosts
(d) To make a prediction for Overall Satisfaction when a guest's satisfaction in all four areas is rated a 3, we will substitute the value 3 for each predictor variable in the fitted regression equation:
y= 2.9952 + 0.1530 * 3 + 0.2477 * 3 + 0.0490 * 3 - 0.1136 * 3
Now, perform the calculations:
y= 2.9952 + 0.4590 + 0.7431 + 0.1470 - 0.3408
y = 4.0035 (rounded to 4 decimal places)
So, the predicted Overall Satisfaction score when a guest's satisfaction in all four areas is rated a 3 is 4.0035.

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The work done in moving the expression from the origin to a distance of 3 feet is 99.25 pounds-feet.

To find the work done in moving the particle from the origin to a distance of 3 feet, we first need to find the expression for the force exerted on the particle. According to the given information, the force exerted on the particle is given by 3x^3 + 6 pounds at a point x feet from the origin.
To calculate the work done, we need to use the formula W = ∫F(x)dx where F(x) is the force function and dx is the displacement of the particle.
In this case, we are moving the particle from the origin (x = 0) to a distance of 3 feet (x = 3). Therefore, the work done can be calculated as:
W = ∫(3x^3 + 6) dx from 0 to 3
Simplifying the integral, we get:
W = [(3/4)x^4 + 6x] from 0 to 3
W = [(3/4)(3^4) + 6(3)] - [(3/4)(0^4) + 6(0)]
W = 81/4 + 18
W = 99.25 pounds-feet
Therefore, the work done in moving the expression from the origin to a distance of 3 feet is 99.25 pounds-feet.

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A sequence starts with a LS of a child seated at a desk coloring. There is a cut to a MS of that same scene, but the child is now drinking from a glass is Jump cut, option C.

In film editing, a jump cut is a split that separates a single continuous sequential shot of a subject into two sections, with a section of the video edited out to create the illusion of a temporal leap. To accomplish the effect, the subject's camera position in the remaining clips in the sequence need only be slightly altered. It is a manipulation of temporal space that uses a single shot's length and fractures it to advance the viewer.

Jump cuts are therefore viewed as a breach of traditional continuity editing, which tries to de-emphasize editing and create the illusion of continuous time and space in the story-world. Nevertheless, jump cuts are occasionally utilised for artistic reasons. Jump cuts frequently highlight how carefully the movie was put together. Occasionally, more than one jump cut is used in a single sequence.

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Complete question:

A sequence starts with a LS of a child seated at a desk coloring. There is a cut to a MS of that same scene, but the child is now drinking from a glass. This represents: Group of answer choices:

Editing

Continuity

Jump cut

Cutaway

This represents transition from the scene of coloring to drinking.

The sequence represents a transition from coloring to drinking. The initial LS (long shot) shows a child seated at a desk, engaged in the activity of coloring. This establishes the starting point of the sequence.

But in the subsequent MS (medium shot), the same scene is depicted but now the child is seen drinking from a glass instead of coloring. This transition from coloring to drinking indicates a change in activity within the sequence. The shift from the LS to the MS with the child's change in action from coloring to drinking signifies progression of time or a shift in focus.

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There were 20 questions on the quiz.

Let's start by using algebra to solve the problem.

Let x be the total number of questions on the quiz.

If Jianna got 87.5% of the questions correct, then she got 0.875x questions

correct.

We also know that Jianna got 17.5 questions correct.

So we can set up the equation:

0.875x = 17.5

To solve for x, we can divide both sides by 0.875:

x = 20

Therefore, there were 20 questions on the quiz.

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The rate of change of the area when the radius is 2 centimeters is approximately 100.5 square centimeters per minute.

To find the rate of change of the area of a circle when the radius is 2 centimeters, we need to use the formula for the area of a circle, which is [tex]A = πr^2.[/tex]

We know that the radius is increasing at a rate of 8 centimeters per minute, so we can use this information to find the rate of change of the area.

We can start by finding the area of the circle when the radius is 2 centimeters. Substituting r = 2 into the formula, we get:

A = π(2)^2
A = 4π

So the area of the circle is 4π square centimeters when the radius is 2 centimeters.

Now, let's find the derivative of the area with respect to time. Using the power rule of differentiation, we get:

dA/dt = 2πr (dr/dt)

Substituting r = 2 and dr/dt = 8, we get:

dA/dt = 2π(2)(8)
dA/dt = 32π

So the rate of change of the area when the radius is 2 centimeters is 32π square centimeters per minute. To round this to one decimal place, we can use a calculator to get:

dA/dt ≈ 100.5

Therefore, the rate of change of the area when the radius is 2 centimeters is approximately 100.5 square centimeters per minute.

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As the number of degrees of freedom for a t-distribution increases, the difference between the t-distribution and the standard normal distribution (b) becomes smaller.

As the number of degrees of freedom for a t distribution increases, the difference between the t distribution and the standard normal distribution becomes smaller. This is because as the degrees of freedom increase, the t distribution approaches the normal distribution in shape and becomes more concentrated around the mean. Therefore, the t distribution becomes more similar to the standard normal distribution, which has a mean of 0 and a standard deviation of 1. So, the correct answer is b. becomes smaller.

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In ANOVA, a main effect occurs when a factor significantly affects the outcome variable. This means that there is a statistically significant difference in the outcome variable across the different levels or categories of the factor being tested. For example, in a study comparing the effectiveness of different types of medication for a particular condition, a main effect would be present if the type of medication significantly affected the outcome (e.g. reduction in symptoms).

It is important to note that a main effect does not necessarily indicate the presence of an interaction between factors or outcomes. An interaction occurs when the effect of one factor on the outcome variable differs depending on the level or category of another factor. For example, in a study comparing the effectiveness of medication for a particular condition, an interaction might occur if the effect of the medication was different for men and women.

In summary, a main effect in ANOVA occurs when there is a significant difference in the outcome variable across the levels or categories of a factor being tested, while an interaction occurs when the effect of one factor on the outcome variable differs depending on the level or category of another factor.
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Yoplait yogurt's support of the breast cancer research (donating 10 cents for each pink Yoplait lid customers send in) is a form of Corporate Social Responsibility (CSR), specifically cause-related marketing.

CSR refers to a company's voluntary actions that go beyond legal

requirements to address social and environmental issues.

Cause-related marketing is a type of CSR where a company associates

itself with a social cause and promotes it through its marketing efforts.

In this case, Yoplait is supporting breast cancer research by donating 10

cents for every pink Yoplait lid that customers send in, which is a form of

cause-related marketing.

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Answer:

c

Step-by-step explanation:

I did the test and got it correct

The correct for the new member's score will affect center and spread of the bowling team is,

⇒ The new member's score will increase the center and spread of the bowling team.

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The members of a bowling team score from 159 to 221. Their average score is 172.

And, A new member with an outlying score of 279 joins the team.

We know that;

When we add new member with an outlying score of 279 joins the team, the value of average is increase.

Thus, The correct for the new member's score will affect center and spread of the bowling team is,

⇒ The new member's score will increase the center and spread of the bowling team.

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option c) "When revenue is more than cost" is correct.

option c) "f'(x) = 180x^29 - 30x^14 + 12x^2 - 2" is correct.

Problem 1: The best approximation for finding the price of an individual product is the marginal cost. Marginal cost is the cost of producing one additional unit of a product, and it takes into account the incremental costs associated with producing each additional unit. This information can be used to determine the optimal price point for a product that maximizes profit.

Problem 2: Profit is earned when revenue is more than cost. In other words, when the total revenue generated by a product or service is greater than the total cost of producing and selling it, a profit is earned. Therefore, option c) "When revenue is more than cost" is correct.

Problem 3: There is no problem statement provided for this question.

Problem 4: The derivative of f(x) = 6x^30 – 2x^15 + 4x^3 – 2x +1 is f'(x) = 180x^29 - 30x^14 + 12x^2 - 2. To find the derivative of a polynomial function, we use the power rule, which states that the derivative of x^n is nx^(n-1), where n is a constant. We apply this rule to each term of the function and simplify to obtain the answer. Therefore, option c) "f'(x) = 180x^29 - 30x^14 + 12x^2 - 2" is correct.

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For a simple random sample with size 22 and mean of 129, the computed value the standard error of the mean is equals to the 0.6396.

The standard error is a statistical term that measures the accuracy for which a sample distribution represents a population by using standard deviation. The deviation of sample mean from population mean is called the standard error of mean. SEM is calculated by the standard deviation divided by the square root of the sample size, [tex]SEM = \frac{ \sigma}{\sqrt{n}}[/tex]

We have a simple random sample from a population that has a normal distribution. Also, Mean of sample = 129

Sample size, n = 22

Standard deviations of sample, σ = 3

Using the formula of standard error of mean is, SEM [tex]= \frac{ 3}{\sqrt{22}}[/tex]

= 0.63960

Hence, required value is 0.6396.

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The statement "r of 1 means that all variability is shared" is FALSE regarding the calculation of the correlation coefficient, r.

The correlation coefficient, r, ranges from -1 to 1, with a value of 1 indicating a perfect positive correlation and a value of -1 indicating a perfect negative correlation. A value of 0 indicates no correlation between the variables.

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