### Confidence Intervals for the Sample Proportion

We begin with the binomial distribution.

This uses a lemma:

Applying previous results leads to the expectation and variance for the sample proportion.

We can think about samples of various sizes.

The goal is a confidence interval for the sample proportion.

If you were in class, you heard my famous "net" explanation for confidence intervals.

Posted by bparke at November 6, 2003 02:32 PM