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March 27, 2015

Homework Help: statistics

Posted by Anonymous on Wednesday, October 24, 2012 at 10:19am.

A university wants to estimate the average distance that commuter students travel to get to class with an error of 3 miles and 90 percent confidence. What sample size would be needed, assuming that distances are normally distributed with a range of X = 0 to X = 50 miles, and using the Empirical Rule 3 to estimate ?

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