Given That X Is a Hypergeometric Random Variable with N

question 115

Multiple Choice

Given that x is a hypergeometric random variable with N = 8, n = 4, and r = 3, compute the variance of x.

• A) .538
• B) .469
• C) .700
• D) .732

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Definitions:

Letters

Letters refer to written characters that represent the sounds of a language, forming the basic building blocks of written words and text.

Word-Superiority Effect

A phenomenon in cognitive psychology where individuals have a better chance of recognizing a letter when it is part of a word than when it is seen in isolation.

Stroop Effect

A cognitive phenomenon where the name of a color is printed in a color not denoted by the name, causing delays in reaction time.

Heuristic

A mental shortcut that allows people to solve problems and make judgments quickly and efficiently.