8.2 Inference for a Proportion: An Example of a Confidence Interval and a Hypothesis Test

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I work through an example of a confidence interval and a hypothesis test for a single proportion, using normal approximation methods (Z test and confidence interval).

The male birth rate data is from:
Koshy et al. (2010). Parental smoking and increased likelihood of female births. Annals of Human Biology, 37(6): 789–800.

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