RTF stock is expected to return 10.6 percent if the economy booms and only 4.2 percent if the economy goes into a recessionary period. The probability of a boom is 55 percent while the probability of a recession is 45 percent. What is the standard deviation of the returns on RTF stock?

What is an example of a good stock to buy during economic expansion? a) cyclical stock b) defensive stock c) income stock d) bond

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

Paying attention to the purpose of her speech, which questions can she eliminate? a. 1 and 2 b. 3 c. 2 and 4 d. 1-4