I need the answer as soon as possible

Q.2. 4131 You have estimated the probability distribution of expected future return for Stocks. Stock X Stock Y Probability Return Probability Return ( 0.1 -10% 0.2 2% 0.2 10% 2 0.2 7% 15% 6 0.3 12% 0.2 20% 4 0.2 15% 0.1 40% 4 0.1 16% Nerage (a) What are the expected rates of return for Stock X and Stock Y? (b) What is the standard deviation of expected returns for Stock X and Stock Y? (c) Which stock will you consider riskier? 0.4 CS Scanned with CamScanner