The Population of All Sample Proportions Has a Normal Distribution $\ge$

Multiple Choice

The population of all sample proportions has a normal distribution if the sample size (n) is sufficiently large.The rule of thumb for ensuring that n is sufficiently large is:

A) np $\ge$ 5
B) n(1 - p) 5
C) np $\le$ 5
D) n(1 - p) $\le$ .5 and np $\le$ 5
E) np .5 and n(1 - p) $\ge$ 5