Excel Online Structured Activity: Expected Returns: Discrete Distribution The market and Stock J have the following probability distributions: Probability M rj 0.3 16.00 % 19.00 % 0.4 10.00 4.00 0.3 19.00 10.00 The data has been collected in the Microsoft Excel Online file below. Open the spreadsheet and perform the required analysis to answer the questions below. X Open spreadsheet a. Calculate the expected rate of return for the market. Do not round intermediate calculations. Round your answer to two decimal places. 12.76 % Calculate the expected rate of return for Stock J. Do not round intermediate calculations. Round your answer to two decimal places. 6.01 % b. Calculate the standard deviation for the market. Do not round intermediate calculations. Round your answer to two decimal places. 5.48 % Calculate the standard deviation for Stock J. Do not round intermediate calculations. Round your answer to two decimal places. 5.48 X %