Mathematics, 09.04.2021 06:10, colemason223
A researcher studying public opinion of proposed Social Security changes obtains a simple random sample of 25 adult Americans and asks them whether or not they support the propose
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) 15% of all adult Americans support the changes
(b) 20% of all adult Americans support the changes
(a) The researcher must ask
more American adults. (Round up to the nearest integer.)
Answers: 2
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A researcher studying public opinion of proposed Social Security changes obtains a simple random sam...
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