# 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.)