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### Course: Statistics and probability > Unit 11

Lesson 2: Estimating a population proportion- Reference: Conditions for inference on a proportion
- Conditions for a z interval for a proportion
- Finding the critical value z* for a desired confidence level
- Calculating a z interval for a proportion
- Interpreting a z interval for a proportion
- Sample size and margin of error in a z interval for p

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# Calculating a z interval for a proportion

You might need: Calculator,Z table