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Twenty-Three Students, of Whom Ten Are Seniors, Are Selected as Semifinalists

question 58

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Twenty-three students, of whom ten are seniors, are selected as semifinalists for a literary award. Of the twenty-three students, thirteen finalists will be selected. In how many ways can the thirteen finalists contain at least four seniors?


Definitions:

Complex Attitude

An attitude that contains both positive and negative components regarding an object, person, or issue.

Mere Exposure

A psychological phenomenon where repeated exposure to a stimulus increases an individual's preference for that stimulus.

Implicit Association Test (IAT)

A psychological test designed to measure the strength of an individual's automatic associations between mental representations of objects (concepts) in memory.

Prosocial Behavior

Refers to voluntary actions that are intended to help or benefit another individual or group of individuals.

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