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Returns for the Dayton Company over the last 3 years are shown below. What's the standard deviation of the firm's returns? (Hint: This is a sample, not a complete population, so the sample standard deviation formula should be used.)


A) 20.08%
B) 20.59%
C) 21.11%
D) 21.64%
E) 22.18%
Returns for the Dayton Company over the last 3 years are shown below. What's the standard deviation of the firm's returns? (Hint: This is a sample, not a complete population, so the sample standard deviation formula should be used.)  A)  20.08% B)  20.59% C)  21.11% D)  21.64% E)  22.18%

F) A) and B)
G) A) and C)

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Stock A has an expected return of 12%, a beta of 1.2, and a standard deviation of 20%. Stock B also has a beta of 1.2, but its expected return is 10% and its standard deviation is 15%. Portfolio AB has $900,000 invested in Stock A and $300,000 invested in Stock B. The correlation between the two stocks' returns is zero (that is, rA,B = 0) . Which of the following statements is CORRECT?


A) Portfolio AB's standard deviation is 17.5%.
B) The stocks are not in equilibrium based on the CAPM; if A is valued correctly, then B is overvalued.
C) The stocks are not in equilibrium based on the CAPM; if A is valued correctly, then B is undervalued.
D) Portfolio AB's expected return is 11.0%.
E) Portfolio AB's beta is less than 1.2.

F) B) and C)
G) C) and D)

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The SML relates required returns to firms' systematic (or market) risk. The slope and intercept of this line can be influenced by a manager's actions.

A) True
B) False

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Stock A's beta is 1.5 and Stock B's beta is 0.5. Which of the following statements must be true about these securities? (Assume market equilibrium.)


A) When held in isolation, Stock A has more risk than Stock B.
B) Stock B must be a more desirable addition to a portfolio than A.
C) Stock A must be a more desirable addition to a portfolio than B.
D) The expected return on Stock A should be greater than that on B.

E) C) and D)
F) A) and B)

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Which of the following statements is CORRECT?


A) A large portfolio of randomly selected stocks will always have a standard deviation of returns that is less than the standard deviation of a portfolio with fewer stocks, regardless of how the stocks in the smaller portfolio are selected.
B) Diversifiable risk can be reduced by forming a large portfolio, but normally even highly-diversified portfolios are subject to market (or systematic) risk.
C) A large portfolio of randomly selected stocks will have a standard deviation of returns that is greater than the standard deviation of a 1-stock portfolio if that one stock has a beta less than 1.0.
D) A large portfolio of stocks whose betas are greater than 1.0 will have less market risk than a single stock with a beta = 0.8.

E) B) and D)
F) B) and C)

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CCC Corp has a beta of 1.5 and is currently in equilibrium. The required rate of return on the stock is 12.00% versus a required return on an average stock of 10.00%. Now the required return on an average stock increases by 30.0% (not percentage points) . Neither betas nor the risk-free rate change. What would CCC's new required return be?


A) 14.89%
B) 15.68%
C) 16.50%
D) 17.33%
E) 18.19%

F) A) and B)
G) None of the above

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Stock A has an expected return of 10% and a standard deviation of 20%. Stock B has an expected return of 13% and a standard deviation of 30%. The risk-free rate is 5% and the market risk premium, rM − rRF, is 6%. Assume that the market is in equilibrium. Portfolio AB has 50% invested in Stock A and 50% invested in Stock B. The returns of Stock A and Stock B are independent of one another, i.e., the correlation coefficient between them is zero. Which of the following statements is CORRECT?


A) Stock A's beta is 0.8333.
B) Since the two stocks have zero correlation, Portfolio AB is riskless.
C) Stock B's beta is 1.0000.
D) Portfolio AB's required return is 11%.
E) Portfolio AB's standard deviation is 25%.

F) A) and D)
G) C) and E)

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Which of the following statements is CORRECT?


A) Beta is measured by the slope of the security market line.
B) If the risk-free rate rises, then the market risk premium must also rise.
C) If a company's beta is halved, then its required return will also be halved.
D) If a company's beta doubles, then its required return will also double.
E) The slope of the security market line is equal to the market risk premium, (rM − rRF) .

F) B) and D)
G) C) and D)

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The Y-axis intercept of the SML represents the required return of a portfolio with a beta of zero, which is the risk-free rate.

A) True
B) False

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Stock HB has a beta of 1.5 and Stock LB has a beta of 0.5. The market is in equilibrium, with required returns equaling expected returns. Which of the following statements is CORRECT?


A) If expected inflation remains constant but the market risk premium (rM − rRF) declines, the required return of Stock LB will decline but the required return of Stock HB will increase.
B) If both expected inflation and the market risk premium (rM − rRF) increase, the required return on Stock HB will increase by more than that on Stock LB.
C) If both expected inflation and the market risk premium (rM − rRF) increase, the required returns of both stocks will increase by the same amount.
D) Since the market is in equilibrium, the required returns of the two stocks should be the same.

E) None of the above
F) B) and C)

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Inflation, recession, and high interest rates are economic events that are best characterized as being


A) systematic risk factors that can be diversified away.
B) company-specific risk factors that can be diversified away.
C) among the factors that are responsible for market risk.
D) risks that are beyond the control of investors and thus should not be considered by security analysts or portfolio managers.
E) irrelevant except to governmental authorities like the Federal Reserve.

F) A) and D)
G) B) and C)

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Kristina Raattama holds a $200,000 portfolio consisting of the following stocks. The portfolio's beta is 0.875.  Kristina Raattama holds a $200,000 portfolio consisting of the following stocks. The portfolio's beta is 0.875.    If Kristina replaces Stock A with another stock,   E  , which has a beta of 1. 50 , what will the portfolio'g new beta be?  A)    1.07   B)    1.13    C)    1.18    D)    1.24    E)    1.30    If Kristina replaces Stock A with another stock, E E , which has a beta of 1. 50 , what will the portfolio'g new beta be?


A) 1.07 1.07
B) 1.13 1.13
C) 1.18 1.18
D) 1.24 1.24
E) 1.30 1.30

F) B) and E)
G) A) and C)

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Stock A has a beta = 0.8, while Stock B has a beta = 1.6. Which of the following statements is CORRECT?


A) Stock B's required return is double that of Stock A's.
B) If the marginal investor becomes more risk averse, the required return on Stock B will increase by more than the required return on Stock A.
C) An equally weighted portfolio of Stocks A and B will have a beta lower than 1.2.
D) If the marginal investor becomes more risk averse, the required return on Stock A will increase by more than the required return on Stock B.

E) B) and C)
F) A) and D)

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Portfolio A has but one stock, while Portfolio B consists of all stocks that trade in the market, each held in proportion to its market value. Because of its diversification, Portfolio B will by definition be riskless.

A) True
B) False

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The risk-free rate is 6%; Stock A has a beta of 1.0; Stock B has a beta of 2.0; and the market risk premium, rM − rRF, is positive. Which of the following statements is CORRECT?


A) If the risk-free rate increases but the market risk premium stays unchanged, Stock B's required return will increase by more than Stock A's.
B) Stock B's required rate of return is twice that of Stock A.
C) If Stock A's required return is 11%, then the market risk premium is 5%.
D) If Stock B's required return is 11%, then the market risk premium is 5%.

E) None of the above
F) B) and D)

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Stock A has a beta of 0.8 and Stock B has a beta of 1.2. 50% of Portfolio P is invested in Stock A and 50% is invested in Stock B. If the market risk premium (rM − rRF) were to increase but the risk-free rate (rRF) remained constant, which of the following would occur?


A) The required return would increase for both stocks but the increase would be greater for Stock B than for Stock A.
B) The required return would decrease by the same amount for both Stock A and Stock B.
C) The required return would increase for Stock A but decrease for Stock B.
D) The required return on Portfolio P would remain unchanged.
E) The required return would increase for Stock B but decrease for Stock A.

F) B) and C)
G) A) and D)

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Stock X has a beta of 0.5 and Stock Y has a beta of 1.5. Which of the following statements must be true, according to the CAPM?


A) If you invest $50,000 in Stock X and $50,000 in Stock Y, your 2- stock portfolio would have a beta significantly lower than 1.0, provided the returns on the two stocks are not perfectly correlated.
B) Stock Y's realized return during the coming year will be higher than Stock X's return.
C) If the expected rate of inflation increases but the market risk premium is unchanged, the required returns on the two stocks should increase by the same amount.
D) Stock Y's return has a higher standard deviation than Stock X.

E) None of the above
F) C) and D)

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