Professor Elderman Has Given the Same Multiple-Choice Final Exam in His

question 7

Multiple Choice

Professor Elderman has given the same multiple-choice final exam in his Principles of Microeconomics class for many years. After examining his records from the past 10 years, he finds that the scores have a mean of 76 and a standard deviation of 12. What is the probability that a class of 36 students will have an average greater than 70 on Professor Elderman's final exam?

• A) 0.0014
• B) 0.3085
• C) 0.6915
• D) 0.9986

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