Mathematics, 24.08.2019 09:20 joelwilliamjoel

The grades on the last history exam had a mean of 75%. assume the population of grades on history exams is known to be normally distributed with a standard deviation of 7. what percent of students earn a score between 70% and 82%?

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The grades on the last history exam had a mean of 75%. assume the population of grades on history ex...