Multiple Choice
An instructor has given his final exam,and scores are approximately normally distributed.Nancy scores a 90 and Ronald scores a 75.The characteristics of the distribution are as follows:
= 85,s2 = 36.What is Ronald's z score?
A) 1.67
B) -1.67
C) .28
D) -.28
Correct Answer:

Verified
Correct Answer:
Verified
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