Computing the necessary sample size for an interval estimate of a population proportion requires a planning value for p-bar. In case of any uncertainty about an appropriate planning value, we know the value that will provide the largest sample size recommendation is
A).10
B).50
C).90
D)1.0

Question

Quizplus · Accepted Answer

The value of 0.50 maximizes the product p(1-p), which is used in the sample size formula for estimating a population proportion, leading to the largest sample size.

Computing the Necessary Sample Size for an Interval Estimate of a Population