One-proportion z-interval: CI for p: p-hat plus or minus z-star times sqrt(p-hat(1 minus p-hat)/n).
How to apply it: Check conditions: random sample, 10% condition, and Large Counts (n p-hat >= 10 and n(1-p-hat) >= 10).
Course: AP Statistics · Unit: Inference for Categorical Data: Proportions
Practice questions about One-proportion z-interval on AimFive — get rubric-based feedback showing exactly which points you earned.
AP and Advanced Placement are trademarks of College Board. AimFive is not affiliated with or endorsed by College Board.