13) Which one of the following statements is correct concerning a portfolio of 20 securities with
multiple states of the economy when both the securities and the economic states have unequal
weights?
A) Given the unequal weights of both the securities and the economic states, the standard
deviation of the portfolio must equal that of the overall market.
B) The weights of the individual securities have no effect on the expected return of a portfolio
when multiple states of the economy are involved.
C) Changing the probabilities of occurrence for the various economic states will not affect the
expected standard deviation of the portfolio.
D) The standard deviation of the portfolio will be greater than the highest standard deviation of
any single security in the portfolio given that the individual securities are well diversified.
E) Given both the unequal weights of the securities and the economic states, an investor might be
able to create a portfolio that has an expected standard deviation of zero.
14) Which one of the following events would be included in the expected return on Sussex
stock?
A) The chief financial officer of Sussex unexpectedly resigned.
B) The labor union representing Sussex’s employees unexpectedly called a strike.
C) This morning, Sussex confirmed that its CEO is retiring at the end of the year as was
anticipated.
D) The price of Sussex stock suddenly declined in value because researchers accidentally
discovered that one of the firm’s products can be toxic to household pets.
E) The board of directors made an unprecedented decision to give sizeable bonuses to the firm’s
internal auditors for their efforts in uncovering wasteful spending.