1. Please explain the role of a securities dealer in the marketplace.
2. WAGN Inc. is considering an investment that has an expected return of 12% and a standard deviation of 22%. What is the investment's coefficient of variation?
3. YYOC Inc.'s stock has a 25% chance of producing a 20% return, a 40% chance of producing a 10% return, and a 35% chance of producing a -12% return. What is the firm's expected rate of return?