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Homework Help: Math-one more

Posted by Jordan on Saturday, July 28, 2012 at 6:50pm.

The average length of time, per week, that students at a certain university spend on homework is normally distributed with a mean of 24.3 hours and a standard deviation of 1.4 hours. Jane tells her parents she spends more time studying than 75% of the students on campus. How many hours per week must Jane spend on homework for this to be true?

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