Professor Elderman Has Given the Same Multiple Choice Final Exam

question 48

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. Refer to Exhibit 7-4.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:

Chronic Disease

A long-lasting condition that can be controlled but not cured, often with significant impacts on individuals' life, such as diabetes, asthma, and heart disease.

Adjustment

The process of adapting or becoming accustomed to a new situation or environment.

Dynamic

Refers to a process or system characterized by constant change, activity, or progress.

Variable

An element, feature, or factor that is liable to vary or change between individuals or within an individual over time.