The Following Is the Distribution of Outcomes from Two Alternative $\quad$

The following is the distribution of outcomes from two alternative advertising strategies:
$\quad$ $\quad$ $\quad$ $\quad$$\text { STRATEGY X }$
$\begin{array} { | c | c | } \hline \text { PROBABDTTY } & \text { REVENUE } \\\hline 0.2 & \$ 100,000 \\\hline 0.4 & \$ 200,000 \\\hline 0.4 & \$ 300,000 \\\hline 0.2 & \$ 400,000 \\\hline\end{array}$ $\quad$ $\quad$ $\quad$ $\quad$ $\text { STRATEGY Y }$
$\begin{array} { | c | c | } \hline \text { PROBABMTTY } & \text { REVENUE } \\\hline 0.1 & \$ 50,000 \\\hline 0.2 & \$ 60,000 \\\hline 0.4 & \$ 300,000 \\\hline 0.2 & \$ 600,000 \\\hline 0.1 & \$ 800,000 \\\hline\end{array}$ Which strategy is the riskier strategy? Explain.