The sampling distribution of the population proportion is based on a binomial distribution. What condition must be met to use the normal approximation for the confidence interval?
A) n ≥ 30
B) n ≥ 5
C) n ≥ 5 and n(1 - ) ≥ 5
D) np ≥ 5 and n(1 - p) ≥ 5

Question

The sampling distribution of the population proportion is based on a binomial distribution. What condition must be met to use the normal approximation for the confidence interval?
A) n ≥ 30 
B) n ≥ 5 
C) n ≥ 5 and n(1 - ) ≥ 5 
D) np ≥ 5 and n(1 - p) ≥ 5

Quizplus · Accepted Answer

The Answer of The sampling distribution of the population proportion is based on a binomial distribution. What condition must be met to use the normal approximation for the confidence interval?
A) n ≥ 30 
B) n ≥ 5 
C) n ≥ 5 and n(1 - ) ≥ 5 
D) np ≥ 5 and n(1 - p) ≥ 5

The Sampling Distribution of the Population Proportion Is Based on a Binomial