A Literature Professor Decides to Give a 15-Question True-False Quiz

question 129

Multiple Choice

A literature professor decides to give a 15-question true-false quiz. She wants to choose the passing grade such that the probability of passing a student who guesses on every question is less than .10. What score should be set as the lowest passing grade?

• A) 11
• B) 9
• C) 12
• D) 10

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Definitions:

Income

Revenue generated on a regular basis from labor or investments.

Demand Curve

A graph showing how the quantity demanded of a commodity changes as its price varies.

Demand Curve

A graphical representation depicting the relationship between the price of a good or service and the quantity demanded by consumers.

Demand

The amount of a product or service that buyers are ready and capable of buying at different price levels over a specified time frame.