Important: This question continues from the previous question and onto the following question.According the a 2017 Gallup poll, 80% of Americans report being afflicted by stress.Suppose a random sample of 1000 Americans is selected.To form a 95% confidence interval for the population proportion of Americans afflictedby stress, what conditions of the Central Limit Theorem must be met? Select all thatapply.[]The number of successes from the sample is 800 Americans afflicted by stress, where 800 > 10.The sample size is large enough since the sample size of 1000>25.The population is large enough since there is definitely over 1000 Americans.The population is large enough since there is definitely over 10,000 Americans.The population is given as approximately normal.The sample size is large enough since the sample size of 1000>10.The number of failures from the sample is 200 Americans not afflicted by stress, where 200 > 10.The sample was collected randomly.

To proceed, it is crucial to grasp the underlying assumptions of the Central Limit Theorem (CLT):…

Answered: According the a 2017 Gallup poll, 80%…

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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A random survey of 150 CBC students found that 35 of them intended to transfer to WSU Tri-Cities upon completing their AA degree. Construct a 95% confidence interval for the proportion of CBC students intending to transfer to WSU Tri-Cities. Give your answer as a complete sentence in the context of the problem.
In a random sample of 400 adults in a small town, 189 of them participated in some form of adult education. Find a 98% confidence interval for the population proportion of adults in the town who participate in adult education
if n = 42, p = 0.6 then construct the 98% confidence interval for the population proportion.
50 of the 600 medical students who were chosen at random stated they intended to work in a rural area. Calculate the 90% confidence interval for the actual percentage of medical students who intend to practice in rural areas. The responses shown here are estimates.
Stanford University conducted a study of whether running is healthy for men and women over age 50. During the first eight years of the study, 1.5% of the 451 members of the 50-plus Fitness Association died. We are interested in the proportion of people over 5o who ran and died in the same eight-year period. Construct a 95% confidence interval for the population proportion of people over 50 who ran and died in the same eight-year period. Explain in a complete sentence what the confidence interval means
Credit card ownership varies across age groups. Suppose that the estimated percentage of people who own at least one credit card is 64% in the 18–24 age group, 84% in the 25–34 age group, 75% in the 35–49 age group, and 77% in the 50+ age group. Suppose these estimates are based on 465 randomly selected people from each age group. (a) Construct a 95% confidence interval for the proportion of people in the 18–24 age group who own at least one credit card. (Round your answers to four decimal places.) to Construct a 95% confidence interval for the proportion of people in the 25–34 age group who own at least one credit card. (Round your answers to four decimal places.) to Construct a 95% confidence interval for the proportion of people in the 35–49 age group who own at least one credit card. (Round your answers to four decimal places.) to Construct a 95% confidence interval for the proportion of people in the 50+ age group who own at least one credit card. (Round your answers to four…
Out of 3064 respondants, 919 of them said they have a dog. Using this data, compute a 95% confidence interval for the true proportion of people who own a dog.
Out of 100 people sampled, 40 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids.
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A statistics student wants to conduct a study to determine the proportion of workers in Cititon who commute to another town for work. If the student wants a 90% confidence interval with a margin of error of 2%, how many workers should be in her sample?

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