For the Given Probability Density Function, Find $\operatorname { Var } ( X )$

Multiple Choice

For the given probability density function, find $\operatorname { Var } ( X )$ $f ( x ) = \frac { 3 } { 8 } x ^ { 2 } \text { on } [ 0,2 ]$

A) 2.000
B) 1.150
C) 1.500
D) 0.150
E) 0.800