In Selecting the Sample Size to Estimate the Population Proportion $\hat { P }$

Multiple Choice

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 $\hat { P }$ ,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.