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A student’s score on a test is 110. The scores are normally distributed with mean µ = 120 and standard deviation σ = 8.

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A student’s score on a test is 110. The scores are normally
distributed with mean µ = 120 and standard deviation σ = 8. Find the student’s z-score.

A. 1.25
B. -1.25
C. -1.52
D. 0.25
E. None of the above

 
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