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April 19, 2015

Homework Help: Basic Statistics

Posted by mike on Monday, July 25, 2011 at 8:44pm.

A population of 200 voters contains 52 Republicans, 128 Democrats, and 20 independents and members of other parties. A simple random sample of 20 voters will be drawn from this population. The expected number of Republicans in the sample is ______ ?
The standard error of the number of Republicans in the sample is _____ ?

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