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July 30, 2015

Homework Help: Stats

Posted by Desire on Wednesday, November 25, 2009 at 12:02pm.

Assume we draw a simple random sample from a population having a mean of 100 and a standard deviation of 16. What is the probability that a sample mean will be within plus-or-minus two of the population mean for each of the following sample sizes?
n = 50
n=100
n=200
n=400

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