10. What is the 95% Confidence Interval for a security which has an average rate of return of 18.63% and a standard deviation of 38.34%? 11. What is the expected rate of return of a company with a beta of 0.85 when the S&P 500 has been returning 10.1% and 10-year treasury bills yield 3.2%? 12. What is the expected rate of return on a company with a beta of 1.78 when the market has been averaging 11.84% and the lowest risk benchmark has been yielding 4.2%