Mathematics, 17.12.2020 16:00 heyheyheyhey3

On a test that has a normal distribution, a score of 55 falls two standard deviations above the mean, and a score of 30 falls three standard deviations below the mean. Determine the mean of this test.

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On a test that has a normal distribution, a score of 55 falls two standard deviations above the mean...