An Instructor Has Given His Final Exam,and Scores Are Approximately

question 133

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

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