A Recent Survey Shows That the Probability of a College

question 126

Multiple Choice

A recent survey shows that the probability of a college student drinking alcohol is 0.6. Further, given that the student is over 21 years old, the probability of drinking alcohol is 0.8. It is also known that 30% of the college students are over 21 years old. The probability of drinking or being over 21 years old is ________.

• A) 0.24.
• B) 0.42.
• C) 0.66.
• D) 0.90.

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Definitions:

Conventional

Traditional, typical, or standard practices, methods, or techniques.

Marketing Channel

A set of practices or activities necessary to transfer the ownership of goods, and to move goods, from the point of production to the point of consumption.

Cooperative

An organization owned and operated for the benefit of those using its services, where members work together for a common goal, sharing in decisions and profits.

Credible Commitments

Promises or assurances that are viewed as reliable because they are backed by actions demonstrating the intent and ability to fulfill them.