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StatisticsQ&A LibraryAresearcher 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 3 percentagepoints with 95% confidence if(a) he uses a previous estimate of 22%(b) he does not use any prior estimates?(Round up to the nearest integer.)(a) n(b) nRound up to the nearest integer.)Question

Asked Oct 6, 2019

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Step 1

It is given that margin of error (*E*) is 0.03 and the confidence level is 95%.

Step 2

**a.**

The sample size *n* is obtained using previous estimate o...

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