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

question 113

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. Professor Elderman offers his class of 36 a pizza party if the class average is above 80. What is the probability that he will have to deliver on his promise?

• A) 0.0228
• B) 0.3707
• C) 0.6293
• D) 0.9772

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Definitions:

Movies and Concerts

Forms of entertainment that involve watching films in theaters and live music performances, respectively.

Bisexual

Person attracted to both men and women.

Sexual Orientation

An enduring pattern of emotional, romantic, and/or sexual attractions to men, women, or both sexes. Sexual orientation also refers to a person's sense of identity based on those attractions, related behaviors, and membership in a community of others who share those attractions.

Sexual Orientation

An enduring pattern of emotional, romantic, or sexual attraction to men, women, both genders, neither gender, or another gender.