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Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with...

Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.56 2.56 and a standard deviation of 0.38 0.38 . Using the empirical rule, what percentage of the students have grade point averages that are greater than 1.42 1.42 ? Please do not round your answer.

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