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12-05-2022
Mathematics

contestada

On a test that has a normal distribution, a score of 49 falls two standard deviations
below the mean, and a score of 61 falls one standard deviation above the mean.
Determine the mean of this test.

Respuesta :

jsimpson11000 jsimpson11000

12-05-2022

Answer:

57 mean

Step-by-step explanation:

x = mean

(x - 49 ) = 2 ( 61 -x)

x = 57

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