In determining the sample size necessary to estimate a population proportion, which of the following is NOT needed?
A) the maximum margin of error that can be tolerated
B) the confidence level required
C) a preliminary estimate of the true population proportion p
D) the mean of the population

Question

Quizplus · Accepted Answer

The mean of the population is not necessary for determining sample size when estimating population proportion. Instead, the maximum margin of error, confidence level, and preliminary estimate of the true population proportion are needed.

In Determining the Sample Size Necessary to Estimate a Population