When determining sample size for a proportion, using p = 0.5 will produce the smallest possible value for n.

Name: When determining sample size for a proportion, using p = 0.5 will produce the smallest possible value for n.
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Quizplus · Accepted Answer

Using p = 0.5 actually produces the largest possible sample size (n) for a given level of precision and confidence level, because the variance of a binomial distribution (p(1-p)) is maximized when p = 0.5.

When Determining Sample Size for a Proportion, Using P =