Mathematics, 23.10.2020 21:10 Rperez6491
On a test that has a normal distribution, a score of 78 falls two standard deviations above the mean, and a score of 50 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 78 falls two standard deviations above the mean...
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