To check if the central limit theorem holds for a sample proportion (and therefore can be used for calculating confidence intervals),the value calculated from np(1-p)should be
A) less than 1
B) greater than 5
C) less than 25
D) greater than 30

Question

Quizplus · Accepted Answer

The value should be greater than 5.(Note that this is a guideline that statisticians have found to work well in practice,not a natural law,and is often even stronger than one needed.)

To Check If the Central Limit Theorem Holds for a Sample