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August 31, 2015

Homework Help: staticstics

Posted by melinda on Wednesday, October 17, 2012 at 10:27am.

The average length of an adult blue whate is 30 meters with a standard deviation of 5.7 meters. If a sample of 31 whales is taken, what is the probability that their average lenght differs from the mean by more than 2.0 meters

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