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Unit 3: Inference for Categorical Data: Proportions

Constructing a Confidence Interval for a Population Proportion

Build a one-sample z-interval for a population proportion: define the parameter, check the conditions, compute the margin of error, and choose a sample size.

Topic 3.3 · 7 min read

This lesson comes with the AP Statistics plan

In this lesson

  1. 01Naming the parameter and the procedure
  2. 02Conditions, checked with the sample
  3. 03Where the formula comes from
  4. 04Choosing the sample size
  5. 05Worked examples
  6. 06Where students lose points
  7. 07On the exam

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