Which of the following must hold before one can make use of the standard normal distribution in order to construct a confidence interval estimate for the population proportion p?
A) and) are both greater than 5, whereis the sample proportion.
B) np and n(1 - p) are both greater than 5.
C) (p +) and (p -) are both greater than 1.
D) The sample size is greater than 5.

Question

Quizplus · Accepted Answer

The condition np and n(1 - p) both greater than 5 ensures that the sampling distribution of the sample proportion is approximately normal, which is necessary for using the standard normal distribution to construct a confidence interval for the population proportion p.

Which of the Following Must Hold Before One Can Make