The Expected Value, E(X), of a Uniform Random Variable X $a \leq x \leq b$

Multiple Choice

The expected value, E(X) , of a uniform random variable X defined over the interval $a \leq x \leq b$ , is:

A) a + b.
B) a - b.
C) (a + b) /2.
D) (a - b) /2.