If the economy booms, Meyer&Co. stock will have a return of 20.9 percent. If the economy goes into a recession, the stock will have a loss of 13.2 percent. The probability of a boom is 62 percent while the probability c a recession is 38 percent. What is the standard deviation of the returns on the stock? Multiple Choice 9.43% 16.55% 13.97 % 15.05% 12.81%