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.)

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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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.)
Transcribed Image Text: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.)
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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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