As a general rule,the normal distribution is used to approximate the sampling distribution of the sample proportion $\hat { p }$
only if the sample size n is greater than 30.

Question

As a general rule,the normal distribution is used to approximate the sampling distribution of the sample proportion $\hat { p }$ 
only if the sample size n is greater than 30.

Quizplus · Accepted Answer

The normal distribution can be used to approximate the sampling distribution of the sample proportion $\hat{p}$ if both $np \geq 5$ and $n(1-p) \geq 5$, not just when $n > 30$.

As a General Rule,the Normal Distribution Is Used to Approximate p^\hat { p }p^​

As a General Rule,the Normal Distribution Is Used to Approximate $\hat { p }$