Following are three economic states, their likelihoods, and the potential returns: Probability Return $0\mathrm{.}1937\%$ Economic State Fast growth Slow growth Recession $0\mathrm{.}42200\mathrm{.}39-13$ Determine the standard deviation of the expected return. $($Do not round intermediate calculations and round your answer to $2$ decimal places.$)$ Standard deviation $\%$ Following are three economic states, their likelihoods, and the potential returns: Determine the standard deviation of the expected return. $($Do not round intermediate calculations and round your answer to $2$ decimal places.$)$