State of the Economy Probability of State Occurring Stock's Expected Return Boom 40% -16.95% Normal 50% 12.90% Recession 10% 28.60% Magee Inc.'s manager believes that economic conditions during the next year will be strong, normal, or weak, and she thinks that the firm's returns will have the probability distribution shown above. What's the standard deviation of the estimated returns? (16.54%). Please show work