The Normal Approximation of the Binomial Distribution Is Appropriate When $\ge$

Multiple Choice

The normal approximation of the binomial distribution is appropriate when:

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