As a Rule of Thumb,the Sampling Distribution of the Sample $\ge$

Multiple Choice

As a rule of thumb,the sampling distribution of the sample proportions can be approximated by a normal probability distribution whenever

A) np $\ge$ 5
B) n(1 - p) $\ge$ 5 and n $\ge$ 30
C) n $\ge$ 30 and (1 - p) = 0.5
D) None of these alternatives is correct.