A researcher studying public opinion of proposed Social Security changes obtains a simple random sample of 35 adult Americans and asks them whether or not they support the proposed changes. To say that the distribution of the sample proportion of adults who respond yes, is approximately normal, how many more adult Americans does the researcher need to sample in the following cases (a) 10% of all adult Americans support the changes (b) 15% of all adult Americans support the changes (a) The researcher must ask (b) The researcher must ask more American adults. (Round up to the nearest integer.) more American adults. (Round up to the nearest integer.)
A researcher studying public opinion of proposed Social Security changes obtains a simple random sample of 35 adult Americans and asks them whether or not they support the proposed changes. To say that the distribution of the sample proportion of adults who respond yes, is approximately normal, how many more adult Americans does the researcher need to sample in the following cases (a) 10% of all adult Americans support the changes (b) 15% of all adult Americans support the changes (a) The researcher must ask (b) The researcher must ask more American adults. (Round up to the nearest integer.) more American adults. (Round up to the nearest integer.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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Suppose a random sample of n = 200 teenagers 13 to 17 years of age was asked if they use social mediaOf those surveyed, 158 stated that they do use social media. Find the sample proportion of teenagers 13 to 17 years of age who use social media The sample proportion is hat p = Box.
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