he market and Stock J have the following probability distributions: Probability 0.3 IM 14% 8 20% 0.4 0.3 6 12 18 a. Calculate the expected rate of return for the market. Round your answer to two decimal places. % Calculate the expected rate of return for Stock J. Round your answer to two decimal places. % b. Calculate the standard deviation for the market. Do not round intermediate calculations. Round your answer to two decimal places. % Calculate the standard deviation for Stock ). Do not round Intermediate calculations. Round your answer to two decimal places. %%