A Continuous Random Variable Has the Uniform Distribution on the Interval

Multiple Choice

A continuous random variable has the uniform distribution on the interval [a,b] if its probability density function f(x) __________.

A) Is symmetric around its mean
B) Is bell-shaped between a and b
C) Is constant for all x between a and b,and 0 otherwise
D) Asymptotically approaches the x axis when x increases to +∞ or decreases to -∞