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March 27, 2015

Homework Help: statistics

Posted by roy on Monday, September 23, 2013 at 9:10pm.

suppose that grade point averages of undergraduate students at one university have a bell shaped distribution with a mean of 2.55 and a standard deviation of 0.43. Using the empirical rule, what percentage of students have grade point averages that are between 1.26 and 3.84

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