Return to question Use the following information on states of the economy and stock returns to calculate the standard deviation of returns. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Probability of State of state of Economy Economy Recession .40 Normal Boom Security Return if State Occurs -6.00% 10.00 19.00 .25 .35 X Answer is complete but not entirely correct. Standard deviation 12.31 x %