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:

Internal Causes

Factors or reasons originating within an individual or organization that lead to a specific outcome or behavior.

Perceptual Errors

Mistakes in judgment or interpretation made by individuals due to subjective biases, misinformation, or misinterpretation of sensory input.

Bar Exam

A rigorous examination that law school graduates must pass in order to practice law in a particular jurisdiction.

Conformity

Conformity refers to the act of matching attitudes, beliefs, and behaviors to group norms or standards.