Question
The president's policy on domestic affairs received a $45 \%$ approval rating in a recent poll. The margin of error was given as 0.035 . What sample size was used for this poll if we assume a $95 \%$ confidence level?
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- Approval rating (p) = 0.45 - Margin of error (E) = 0.035 - Confidence level = 95% Show more…
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