Please help me answer this question - appreciate it.

Probability r" r, 0.3 15.00 % 22.00 % 0.4 8.00 7.00 0.3 20.00 12.00 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. Open spreadsheet a. Calculate the expected rate of return for the market. Do not round intermediate calculations. Round your answer to two decimal places. lo Calculate the expected rate of return for Stock J. Do not round intermediate calculations. Round your answer to two decimal places. /o b. Calculate the standard deviation for the market. Do not round intermediate calculations. Round your answer to two decimal places. lo Calculate the standard deviation for Stock J. Do not round intermediate calculations. Round your answer to two decimal places. 0In