Which of the Following Statements About the Sampling Distribution of the Sample

Multiple Choice

Which of the following statements about the sampling distribution of the sample proportion is TRUE?

A) it is approximately normal, so long as n $\pi$ > 5 and n(1 - $\pi$ ) > 5
B) it is centered on the population proportion $\pi$
C) it has standard deviation equal to the square root of $\pi$ (1- $\pi$ ) /n.
D) b and c only
E) all of the above