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12 June, 16:36

The grades on the last math exam had a mean of 72%. Assume the population of grades on math exams is known to be distributed normally, with a standard deviation of 5%. Approximately what percent of students earn a score between 72% and 87%?

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  1. 12 June, 18:08
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    49.865%

    round to the nearest tenth of a percent: 49.9%

    round to the nearest integer: 50%
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