Distinguish Between Permutation Problems and Combination Problems

question 30

Multiple Choice

Distinguish Between Permutation Problems and Combination Problems
Does the problem involve permutations or combinations? Do not solve.
-In a student government election, 5 seniors, 3 juniors, and 2 sophomores are running for election. Students elect four at-large senators. In how many ways can this be done?

• A)permutations
• B)combinations

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Definitions:

Absolute Thresholds

Refers to the minimum intensity of a stimulus that one can detect 50% of the time, a concept used in sensory and perception psychology.

Absolute Threshold

The minimum intensity level at which a stimulus can be detected by the senses at least 50% of the time.

Sensory Experience

The perception of the environment through the senses, such as sight, sound, smell, taste, and touch.

Subliminal Level

A threshold of perception where stimuli are below the level of conscious awareness, yet can influence thoughts, feelings, or actions.