Check my work 2 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.) 2.5 Probability Security Return State of of points if State Economy State of Economy Occurs Recession -5.00% 0.60 Normal 0.25 13.00 17.00 0.15 oom ook Standard deviation Print References