Consider the following information: Rate of Return if State Occurs State of Economy Recession Normal Boom Probability of State of Economy 0.20 0.60 0.20 Stock A 0.04 0.09 0.15 Stock B -0.18 0.15 0.33 Required: Given that the expected return for Stock A is 9.200%, calculate the standard deviation for Stock A. (Do not round your intermediate calculations.) (Click to select)