A professor finds that the students scored a 76 ± 8 (M ± SD) on the final exam. On this exam, a score of 90 is an A. Assuming these data are normally distributed, what is the z score for 90 (the cutoff for an A)?

A. 1.75
B. 1.50
C. 1.25
D. There is not enough information to answer this question.


Ans: A

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