What is the shape of the probability density function for a uniform random variable on the interval [a, b]?
A. A rectangle whose X values go from a to b.
B. A straight line whose height is 1/(b-a) over the range [a, b].
C. A continuous probability density function with the same value of f(x) from a to b.
D. All of these choices are true.
Analysis:
A. Incorrect. All of these choices are true.
B. Incorrect. All of these choices are true.
C. Incorrect. All of these choices are true.
D. Correct. All of these choices are true.
ANSWER : D
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