Question $5$

There is a $15\mathrm{.}40\%$ probability of a below average economy and a $84\mathrm{.}60\%$ probability of an average economy.

If there is a below average economy stocks A and $B$ will have returns of $-7\mathrm{.}90\%$ and $16\mathrm{.}20\%,$ respectively. If

there is an average economy stocks A and B will have returns of $15\mathrm{.}90\%$ and $-3\mathrm{.}50\%,$ respectively. Compute

the:

A$.$ Expected Return for Stock A:

B$.$ Expected Return for Stock B:

C$.$ Standard Deviation for Stock A:

D$.$ Standard Deviation for Stock B: