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Question: a researcher wishes to estimate the percentage of adults who...

Question details

A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within

5  

percentage points with

95​%

confidence if​(a) he uses a previous estimate of

32​%?

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

​(a)

nequals=nothing

​(Round up to the nearest​ integer.)​(b)

nequals=nothing

​(Round up to the nearest​ integer.)

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