Mathematics, 28.05.2021 19:00, kimlyn58p0wyn0

On a test that has a normal distribution, a score of 64 falls two standard deviations above the mean, and a score of 56 falls two 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 64 falls two standard deviations above the mea...