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April 20, 2014

Homework Help: statistics

Posted by Mikey on Wednesday, October 19, 2011 at 12:44am.

Five percent of all items sold by mail order company are returned by customers for a refund. Find the probability that, of two items sold during a given hour by this company,
a) both will be returned for a refund
b) neither will be returned for a refund

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