Consider the following information: Rate of Return if State Occurs State of Economy Recession Normal Boom Probability of State of Economy 0.20 0.70 0.10 Stock A 0.03 0.07 0.15 Stock B -0.20 0.13 0.32 Given that Stock B's expected return is 8.30%, calculate the standard deviation for Stock B. (Do not round your intermediate calculations.) (Click to select)