Problem 10-18 Expected Return Risk (LG10-1) Following are three economic states, their likelihoods, and the potential returns: Economia State Fast growth slow growth Recension Probability Return 0.26 225 0.37 9 0.37 Determine the standard deviation of the expected return (Do not round intermediate calculations and round your answer to 2 decimal places.) Answer is complete but not entirely correct. Standard deviation 20.15 %