A stock will have a loss of 14.8 percent in a recession, a return of 13.5 percent in a normal economy, and a return of 28.2 percent In a boom. There is 21 percent probability of a recession, 24 percent probability of normal economy, and 55 percent probability of boom. What is the standard deviation of the stock's retums? Multiple Choice 1260% 16.81x 14.4n 787