An English Instructor Gave a Final Exam and Found a Mean

question 74

Multiple Choice

An English instructor gave a final exam and found a mean score of 72 points and a standard deviation of 6.9 points.Assume that a Normal model can be applied.Draw and label the Normal model for the exam scores.What percent of scores should be between 85.8 and 92.7 points?

• A) ; 5%
• B) ; 2.5%
• C) ; 2.35%
• D) ; 4.7%
• E) ; 35.9318841%

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Definitions:

Market Price

The price at which a product or service is sold in the open market.

Consumer Surplus

The gap between the price consumers are prepared to pay for a product or service and the actual amount they spend, indicating the value gained by consumers.

Quantity Supplied

The total amount of a good or service that producers are willing and able to sell at a particular price point, within a specific time period.

Linear

A term used to describe relations or functions that graph as straight lines, representing constant rates of change.