7. You are considering purchasing two stocks with the following possible returns and probabilities of occurrence: Investment A Return Probability of Occurrence -10% 20% The Investment Process and Probability of Occurrence 20% Return 40 Investment B 30 10 Compare the expected returns and risk (as measured by the standard investment. Which investment offers the higher expected return? W riskier? Compare their relative risks by computing the coefficient of van nations and illustrations of the required calculations, see the appendix to standard deviation and the coefficient of variatie andard deviations) ofera co? Which investment of variation. For la ppendix to this chapter of variation presene tel