Wednesday
April 1, 2015

Homework Help: statistics

Posted by Anonymous on Sunday, October 20, 2013 at 6:24pm.

A university has 1000 computers available for students to use. Each computer has a 250 gigabyte hard drive. The university wants to estimate the space occupied on the hard drives. A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the standard error of the mean

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