Multiple Choice
Which of the following is a required condition for using the normal approximation to the binomial distribution in testing the difference between two population proportions?
A) n1p1 > 5 and n2p2 > 5.
B) n2(1 - p2) > 5.
C) n1p1 > 5, n1(1 - p1) > 5, n2p2 > 5 and n2(1 - p2) > 5.
D) n1(1 - p1) > 5 and n2(1 - p2) > 5.
Correct Answer:

Verified
Correct Answer:
Verified
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