X Has the Probability Distribution $\begin{array} { l r r r r r } \mathrm { X } & - 2 & - 1 & 9 & 1 & 2 \\\mathrm { P } ( \mathrm { X } ) & .2 & .2 & .2 & .2 & .2\end{array}$

Multiple Choice

X has the probability distribution: $\begin{array} { l r r r r r } \mathrm { X } & - 2 & - 1 & 9 & 1 & 2 \\\mathrm { P } ( \mathrm { X } ) & .2 & .2 & .2 & .2 & .2\end{array}$
Compute the expected value of X.

A) 1.3
B) 1.0
C) 2.4
D) 1.8