Solve Counting Problems Using Combinations

question 177

Multiple Choice

Solve Counting Problems Using Combinations
-A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 6 of the multiple-choice questions and 3 of the open-ended problems, in how many ways can the questions and problems be chosen

• A) 1680
• B) 972
• C) 261,273,600
• D) 7,257,600

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Definitions:

Compulsions

Repetitive behaviors or mental acts that a person feels driven to perform in response to an obsession, aimed at reducing anxiety or preventing a dreaded event.

Biases

Systematic tendencies to lean in a certain direction, often resulting in unfair judgments or decisions.

Drives

Internal motivational states created by physiological needs, which direct behavior to fulfill those needs.

Biopsychosocial Model

An interdisciplinary model that looks at the interconnection between biology, psychology, and socio-environmental factors in understanding health and illness.