A stock will have a loss of 13.6 percent, or a return of 12.3 percent, or a return of 27 percent. The probabilities of these three states of the economy are 33 percent, 36 percent, and 31 percent, respectively. What is the standard deviation of the stock's returns?

Multiple Choice

16.51%

14.15% 1

5.13%

27.24%

12.38%