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The test scores for a class have a normal distribution, a mean of 50, and a standard deviation of 4.

 

 

Quantity A

Percentage of scores at or above 58

Quantity B

Percentage of scores at or below 42

A.Quantity A is greater.

B.Quantity B is greater.

C.The two quantities are equal.

D.The relationship cannot be determined from the information given.

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