AP Statistics Review Confidence Intervals

The general formula uses the sample proportion (pˆ ) and the sample size ( n ). Statistic ± (critical value) · (standard deviation of statistic) pzˆ ()* pˆˆ(1 )p n − ± The conditions that need to be met for this procedure are: 1. The sample is a simple random sample. 2. The population is large relative to the sample. ................
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