corporate finance question

Consider the following information: Rate of Return if State Occurs Probability of State of State of Economy Economy Stock A Stock B Recession 0.20 0.05 -0.17 Normal 0.50 0.07 0.15 Boom 0.30 0.14 0.33 Required: (a) Calculate the expected return for Stock A. (Do not round your intermediate calculations.) (Click to select) v (b) Calculate the expected return for Stock B. (Do not round your intermediate calculations.) (Click to select) v (c) Calculate the standard deviation for Stock A. (Do not round your intermediate calculations.) (Click to select) v (d) Calculate the standard deviation for Stock B. (Do not round your intermediate calculations.) (Click to select) v