Homework Help: statistics

Posted by Charlie on Tuesday, July 26, 2011 at 1:37pm.

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? and The standard error of the number of Republicans in the sample is?

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