· People end up tossing 10% of what they buy at the grocery store. Assume this is the truepopulation proportion and that you plan to take a sample survey of 530 grocery shoppers tofurther investigate their behavior.a. Show the sampling distribution of p , the proportion of groceries thrown out by yoursample respondents.b. What is the probability that your survey will provide a sample proportion within ±0.04of the population proportion? |c. What is the probability that your survey will provide a sample proportion within ±0.025of the population proportion?

a. The sampling distribution of p̅ is, Thus, the sampling distribution of p̅ follows normal with…

Answered: · People end up tossing 10% of what…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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I. Direction: Construct the sampling distribution of the sample means and answer the questions that follow: 1. A jar contains numbers 0, 1, 2 and 3. Construct the sampling distribution of the sample means when two numbers are taken from the jar with replacement a. what is the probability that the mean of the numbers is 1.5 ? b. what is the probability that the mean of the numbers is less than 12 c. what is the probability that the mean of the numbers is greater than 0.52 d. what is the probability that the mean of the numbers is between 1.5 and 3. e. construct the histogram of the sampling distribution
Question # 3
The p-value is which? the same as the z statistic. a sample statistic. a probability. a distance.
About 7% of the popular has a mutation. 100 people are randomly selected. What is the mean for the number of people with a mutation?
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A sampling distribution of a sample mean is normal only if the population is normal. Choose the correct answer below. O A. The statement is false. A sampling distribution of a sample mean is approximately normal if either n ≥ 30 or the population is normal. B. The statement is false. A sampling distribution of a sample mean is never normal. O C. The statement is false. A sampling distribution of a sample mean is approximately normal only if n ≥ 30. OD. The statement is true.
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 95% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n = (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 34% of air passengers prefer an aisle seat. n = IDound un to the nearest integer)
a. Write the claim identifying H0 Ha B.find P value C. Decided whether to reject or fail d. Interpret the decision in the context
Solve it on the paper.
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A sampling distribution is normal only if the population is normal. Choose the correct answer below O A. The statement is false. A sampling distribution is never normal. O B. The statement is false. A sampling distribution is normal only if n230. O C. The statement is true. O D. The statement is false. A sampling distribution is normal if either n230 or the population is normal. Click to select your answer. ... acer
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Statistics Canada conducts an annual survey to estimate the proportion of Canadians aged 20 - 24 years of age who are smokers. The most recent application of the Canadian Tobacco Monitoring Survey involved a random sample of n=496 Canadians aged 20 to 24 years of age. Each was asked for the smoking status. The number of 20 to 24 year-olds sampled who indicated they were smokers was 333.(a) Compute the sample proportion. Use at least four decimals in your answer.p^= __________ (b) Using your answer in (a), find a 97% confidence interval for pnow, the current proportion of 20 to 24 year old Canadians who are smokers, by Bootstrapping 1000 samples. Use the seed 3994 to ensure that R-Studio "randomly" samples the same "random" samples as this question will expect.You can do this by including the code, you can copy it into your R-Studio to bootstrap your samples.RNGkind(sample.kind = "Rejection");set.seed(3994);B=do(1000) * mean(resample(c(rep(1,333),rep(0,496-333)), 496));Use at least four…
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