Under what condition(s)does the test statistic for p have an approximate normal distribution?
A) When np 5.
B) When np and np(1 - p)are both 5.
C) When n 30.
D) When np and n(1 - p)are both 5.

Question

Under what condition(s)does the test statistic for p have an approximate normal distribution?
A) When np > 5.
B) When np and np(1 - p)are both > 5.
C) When n > 30.
D) When np and n(1 - p)are both > 5.

Quizplus · Accepted Answer

The condition for the test statistic for p to have an approximate normal distribution is when both np and n(1-p) are both greater than 5. Choice D is the only option that includes both np and n(1-p) in the condition.

Under What Condition(s)does the Test Statistic for P Have an Approximate