Mathematics, 26.06.2020 15:01 aliviafrancois2000

The grades on the last art exam had a mean of 75%. Assume the population of grades on art exams is known to be distributed normally, with a standard deviation of 7%. Using the empirical rule, approximately what percent of students earn a score between 75% and 82%? a) 68% b) 16% c) 32% d) 34%

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The grades on the last art exam had a mean of 75%. Assume the population of grades on art exams is k...