October 6, 2015

Homework Help: statistics

Posted by Anonymous on Monday, August 18, 2014 at 9:27am.

The number of hours that college students sleep on a week night is approximated by a normal curve with a mean of 7 hours and a standard deviation of 1.7 hours. Answer the question below using a z table:

On a week night, what percentage of students sleep between 5 and 10 hours

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