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

question 123

Multiple Choice

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

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