A school district wants to estimate, with 90%90\% confidence, the proportion of students who participate in extracurricular activities. The district wants the estimate to be accurate within 3%3\% of the true proportion. Since no prior estimate is available, what is the minimum sample size required?

A school district wants to estimate, with 90%90\% confidence, the...

Confidence Intervals for Population Proportion: Videos & Practice Problems

A school district wants to estimate, with 90%90\% confidence, the proportion of students who participate in extracurricular activities. The district wants the estimate to be accurate within 3%3\% of the true proportion. Since no prior estimate is available, what is the minimum sample size required?