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.

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Sap asked Apr 28, 2023

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27 votes

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.

Mathematics
high-school

Sap asked Apr 28, 2023

by Sap

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1 Answer

12 votes

Answer:

57 mean

Explanation:

x = mean

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

x = 57

Pablo Venturino answered May 4, 2023

by Pablo Venturino

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