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For a sample with mean = 50 and standard deviation = 10.

A. Find the z-score for each of the following X values:

 X = 60

 X = 75

 X = 30

B. Now find the score (X value) that corresponds to each of the following z-scores:

 z = 0.8

 z = 1.5

 z = -1.5

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