Essay
Read the news story below.Using the 95 percent confidence level,what sample size would be needed to estimate the true proportion of stores selling cigarettes to minors with an error of ± 3 percent? Explain carefully,showing all steps in your reasoning.
Correct Answer:

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n =
p(1 − p)=
(0.25625)(0.74...View Answer
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Correct Answer:
Verified
View Answer
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