An investor invests 40 percent of his wealth in a risky asset with an expected rate of return of 0.18 and a variance of 0.10 and 60 percent in a T-bill that pays 4 percent. His portfolio's expected return and standard deviation are _____and ______, respectively.

A. 0.087; 0.06

B. 0.087; 0.12

C. 0.114; 0.12

D. 0.795; 0.14

E. 0.295; 0.12

A. will increase as the rate of return increases.

B. will decrease as the rate of return increases.

C. will decrease as the standard deviation decreases.

D. will increase as the variance increases.

E. will decrease as the variance decreases.

A. the security's variance.

B. minimum required utility of the portfolio.

C. investor's return requirement.

D. investor's aversion to risk.

E. certainty-equivalent rate of the portfolio

A. maximizes her expected utility.

B. maximizes her expected profit.

C. minimizes both her risk and return.

D. minimizes her risk.

E. maximizes her risk

A. an investor's risk tolerance is decreasing.

B. borrowing rate exceeding lending rate.

C. increase in the portfolio proportion of the risk-free asset.

D. reward-to-volatility ratio increasing.

E. a flawed theory

A. They only accept risky investments that offer risk premiums over the risk- free rate.

B. They only care about the rate of return and accept investments that are fair games.

C. They only care about the rate of return.

D. They accept investments that are fair games.

E. They are willing to accept lower returns and high risk.

A. 62.5% and 37.5%

B. 75% and 25%

C. cannot be determined

D. 57% and 43%

E. 85% and 15%