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October 1, 2014

October 1, 2014

Posted by **Hannah** on Tuesday, March 20, 2012 at 8:44pm.

- statistics -
**mark**, Tuesday, March 20, 2012 at 9:41pm7. The average length of time per week that students at this university spend on homework is normally distributed with a mean of 18 hours and a standard deviation of 3 hours. If Diane spends more time on homework each week than 75% of students, what is the minimum time she must spend?

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