Which of the following statements denote a random variable?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 7CC
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Which of the following statements denote a random variable?

A, It is a hypothetical list of the possible outcomes of a random phenomenon.

B, Its value is a numerical outcome associated with a random phenomenon.

C. It is any phenomenon in which outcomes are equally likely.

D. It is any number that doesn't change.

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