Confidence Intervals for a Proportion

Picture p as the proportion of students at a large college who have a part-time job. Each sample gives a confidence interval for p. Draw samples, or press Play, and watch how often the method covers the population proportion.

Population proportion in the category of interest

p =
in the categorynot in the category

One sample

Confidence intervals

cover p: 0fail to cover p: 0
Covers p Fails to cover p Population proportion p =
No intervals yet