A) 39
B) 2

Multiple Choice

$$\begin{array}{l}\text { What is the standard deviation of the following probability distribution? }\\\begin{array} { l | c c c c c } \boldsymbol { X } & 0 & 2 & 4 & 6 & 8 \\\hline \boldsymbol { P } ( \boldsymbol { X } ) & 0.20 & 0.05 & 0.35 & 0.25 & 0.15\end{array}\end{array}$$

A) 3.9
B) 2.6
C) 4.7
D) 5.4