5. An offer by a firm to repurchase some of its own shares is known a: a. A DRIP. b. A self-tender offer. c. A reverse split. 6. Which of the following is a measure of the systematic risk of a stock? a. Beta b. Standard deviation c. Expected return d. Coefficient of regression 7. 13. Stock A's standard deviation of returns is 50% and Stock B's standar returns is 30%. Stock A and Stock B's returns are perfectly positively corre to portfolio theory, how much should be invested in each stock to minimize standard deviation? a.100% in Stock A. b.100% in Stock B. 30% in Stock A and 70% in Stock B. d.50% in Stock A and 50% in Stock B