2. Suppose an investor wants to estimate the expected return for investing in Home Depot stock for next year. Here are the possible returns to be earned and the probabilities of occurrence: Possible Return Probability 12% 6% -10% 22% 5% 20% 20% 20% 20% 20% a) What is the expected return for Home Depot? (9pts) b) What is the variance and standard deviation? (9pts) c) What is the coefficient of variation? (2pts)