An analyst developed the following probability distribution for the rate of return for a common stock. Probability 0.24 0.39 0.37 Scenario 2 3 a. Calculate the expected rate of return. (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your answer to 2 decimal places.) Rate of return Rate of Return -15% 0% 18% Variance Standard deviation % b. Calculate the variance and the standard deviation of this probability distribution. (Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) %^2 %

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