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A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size...

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Statistics

A researcher wishes to estimate the percentage of adults whosupport abolishing the penny. What size sample should be obtainedif he wishes the estimate to be within 4 percentage points with99​% confidence if

he uses a previous estimate of 38%?

​(b) He does not use any prior​ estimates?

Answer & Explanation Solved by verified expert
4.4 Ratings (1047 Votes)
Solution Given that 0381 1 038 062margin of error E 4 004At 99    See Answer
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