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Please help! Thank you! Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.5 2.5

Please help! Thank you!

Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.5

2.5 and a standard deviation of 0.37

0.37. Using the empirical rule, what percentage of the students have grade point averages that are no more than 1.76

1.76? Please do not round your answer.

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