A function or rule that assigns a numerical value to each simple event of an experiment is called:
A. a sample space.
B. a probability distribution.
C. a random variable.
D. None of these choices.
Analysis:
A. Incorrect. It is called a random variable.
B. Incorrect. It is called a random variable.
C. Correct. It is called a random variable.
D. Incorrect. It is called a random variable.
ANSWER : C
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