A Random Variance X Has a Distribution Given by F(0)=

Multiple Choice

A random variance X has a distribution given by f(0) = 0.4,f(1) = 0.3,f(2) = 0.3.The variance of X is

A) 0.69.
B) 0.54.
C) 0.50.
D) 0.47.
E) 0.32.