Which of the following is true about f(x) when X has a uniform distribution over the interval [a, b]?
A. The values of f(x) are different for various values of the random variable X.
B. f(x) equals one for each possible value of X.
C. f(x) equals one divided by the length of the interval from a to b.
D. None of these choices.
Analysis:
A. Incorrect. f(x) equals one divided by the length of the interval from a to b is true.
B. Incorrect. f(x) equals one divided by the length of the interval from a to b is true.
C. Correct. f(x) equals one divided by the length of the interval from a to b is true.
D. Incorrect. f(x) equals one divided by the length of the interval from a to b is true.
ANSWER : C
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