Can someone please help with all three points? Please show all work.

Following is information about Investment A, Investment B, and Investment C: Return on Investment: Economic Condition Boom Normal Recession Probability 0.5 0.4 0.1 25.0% 40.0% 15.0 20.0 -5.0 40.o 18.0% 24.0% 23.3% 5.0% 10.0 15.0 3.3% . Compute the expected return, T , for Investment C Compute the standard deviation, , for Investment A. . Based on total risk and return, which of the investments should a risk-averse investor prefer