A news article estimated that only 4% of those age 65 and older who prefer to watch the news, rather than to read or listen, watch thenews online. This estimate was based on a survey of a large sample of adult Americans. Consider the population consisting of all adultAmericans age 65 and older who prefer to watch the news, and suppose that for this population the actual proportion who prefer towatch online is 0.04.(a) A random sample of n = 100 people will be selected from this population and p, the proportion of people who prefer to watchonline, will be calculated. What are the mean and standard deviation of the sampling distribution of p? (Round your standarddeviation to four decimal places.)%3Dmeanstandard deviation

Solution: From the given information, p=0.04 and n=100.

Answered: A news article estimated that only 4%…

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 news article estimated that only 6% of those ages 65 and older who prefer to watch the news, rather than to read or listen, watch the news online. This estimate was based on a survey of a large sample of adult Americans. Consider the population consisting of all adult Americans ages 65 and older who prefer to watch the news, and suppose that for this population the actual proportion who prefer to watch online is 0.06. (a) A random sample of n = 100 people will be selected from this population and p̂, the proportion of people who prefer to watch online, will be calculated. What are the mean and standard deviation of the sampling distribution of p̂? (Round your standard deviation to four decimal places.) meanstandard deviation (b) Is the sampling distribution of p̂ approximately normal for random samples of size n = 100? Explain. (Select all that apply.) the sampling distribution of p̂ is approximately normalthe sampling distribution of p̂ is not approximately normalnp is…
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