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November 21, 2014

Homework Help: statistics

Posted by Koia on Thursday, May 10, 2012 at 6:08am.

A researcher conducted a study of the access speed of 40 hard drives and concluded that his
maximum error of estimate was 15. If he were to conduct a second study to reduce the
maximum error of estimate to 5, about how many hard drives should he include in his new
sample?

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