A) 128
B) 0

Multiple Choice

$$\begin{array}{l}\text { Give the mean of the following probability distribution. }\\\begin{array} { l | c c c c } \boldsymbol { X } & 2 & 3 & 4 & 5 \\\hline \boldsymbol { P } ( \boldsymbol { X } ) & 0.50 & 0.25 & 0.15 & 0.10\end{array}\end{array}$$

A) 1.28
B) 0.25
C) 2.85
D) 3.50