Which of the following does not represent a continuous uniform random variable?
A. f(x) = ½ for x between -1 and 1, inclusive.
B. f(x) = 10 for x between 0 and 1/10, inclusive.
C. f(x) = 1/3 for x= 4, 5, 6.
D. None of these choices represents a continuous uniform random variable.
Analysis:
A. Incorrect. f(x) = 1/3 for x= 4, 5, 6 does not represent a continuous uniform random variable.
B. Incorrect. f(x) = 1/3 for x= 4, 5, 6 does not represent a continuous uniform random variable.
C. Correct. f(x) = 1/3 for x= 4, 5, 6 does not represent a continuous uniform random variable.
D. Incorrect. f(x) = 1/3 for x= 4, 5, 6 does not represent a continuous uniform random variable.
ANSWER : C
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