3 Problem 11-3 Expected Returns and Deviations (LO1, CFA2) 0.5 points Use the following information on states of the economy and stock returns to calculate the standard deviation of returns. Assume that all three states are equally likely. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) (8 04:07:50 Security State of Economy Recession Normal Return if State Occurs -9.00% 15.00 24.00 eBook Boom Print References Expected return Standard deviation