October 9, 2015

Homework Help: statistics

Posted by terri on Tuesday, April 9, 2013 at 11:09am.

The ages of five randomly chosen cars in the parking lot are determined to be 7,9,3,4 and 6 years old. If we consider this sample in groups of 3, what is the probability of the true mean falling between 5.5 and 6.5?

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