A university administrator wants to estimate, with 95%95\% confidence, the proportion of students who prefer online classes. The estimate must be accurate within 2%2\% of the true proportion. No prior estimate for the proportion is available. What is the minimum sample size required?

A university administrator wants to estimate, with 95%95\% confid...

Confidence Intervals for Population Proportion: Videos & Practice Problems

A university administrator wants to estimate, with 95%95\% confidence, the proportion of students who prefer online classes. The estimate must be accurate within 2%2\% of the true proportion. No prior estimate for the proportion is available. What is the minimum sample size required?