Consider the following information for three stocks, A, B, and C. The stocks' returns are positively but not perfectly positively correlated with one another, i.e., the correlations are all between 0 and 1.   Expected Standard   Stock Return Deviation Beta A 10% 20% 1.0 B 10% 10% 1.0 C 12% 12% 1.4 Portfolio AB has half of its funds invested in Stock A and half in Stock B. Portfolio ABC has one third of its funds invested in each of the three stocks. The risk-free rate is 5%, and the market is in equilibrium, so required returns equal expected returns. Which of the following statements is CORRECT? a. Portfolio AB's coefficient of variation is greater than 2.0. b. Portfolio AB's required return is greater than the required return on Stock A. c. Portfolio ABC's expected return is 10.66667%. d. Portfolio ABC has a standard deviation of 20%. e. Portfolio AB has a standard deviation of 20%.

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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Consider the following information for three stocks, A, B, and C. The stocks' returns are positively but not perfectly positively correlated with one another, i.e., the correlations are all between 0 and 1.

 

Expected

Standard

 

Stock

Return

Deviation

Beta

A

10%

20%

1.0

B

10%

10%

1.0

C

12%

12%

1.4


Portfolio AB has half of its funds invested in Stock A and half in Stock B. Portfolio ABC has one third of its funds invested in each of the three stocks. The risk-free rate is 5%, and the market is in equilibrium, so required returns equal expected returns. Which of the following statements is CORRECT?


a. Portfolio AB's coefficient of variation is greater than 2.0.
b. Portfolio AB's required return is greater than the required return on Stock A.
c. Portfolio ABC's expected return is 10.66667%.
d. Portfolio ABC has a standard deviation of 20%.
e. Portfolio AB has a standard deviation of 20%.
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