50 How is expected value calculated? Divide event probabilities by their related outcomes and add them together. O Multiply event probabilities by their related outcomes and add them together. Multiply event probabilities by their related outcomes, add them together, and divide by the number of events. Divide even probabilities by their related outcomes, add them together, and divide by the number of events. NEXT > BOOKMARK CLEAR 54 A 64-year-old woman has just received a modest inheritance. Four investment opportunities are available. Which opportunity would help this investor balance the risk and return in her investment portfolio going into retirement? Investing in a variety of U.S. T-bills Investing in a high-risk mutual fund Funding a new start-up company Buying junk bonds BOOKMARK CLEAR NIGXT > Next 49 Which investment involves low risk and yields a low return? Buying junk bonds Investing in currency trading Buying a three-month U.S. Treasury bond Buying stock in a start-up company BOOKMARK CLEAR BOOKMARK T