In selecting the sample size to estimate the population proportion p, if we have no knowledge of even the approximate values of the sample proportion $\tilde { p }$ , we:
A)take another sample and estimate.
B)take two more samples and find the average of their.
C)let= 0.50.
D)let= 0.95.

Question

Quizplus · Accepted Answer

When there is no prior knowledge of the sample proportion, it is common to use 0.50 as it maximizes the sample size, ensuring the most conservative estimate.

In Selecting the Sample Size to Estimate the Population Proportion p~\tilde { p }p~​

In Selecting the Sample Size to Estimate the Population Proportion $\tilde { p }$