()The Smithsre prised ________ the wy they bring up their children.from B.by C.t D.for
A.from
B.by
C.at
D.for
- · 有4位网友选择 D,占比36.36%
- · 有3位网友选择 C,占比27.27%
- · 有2位网友选择 B,占比18.18%
- · 有2位网友选择 A,占比18.18%
A.from
B.by
C.at
D.for
A、are growing
B、have grown
C、will grow
D、had grown
Consider an opportunity to invest in two Canadian stocks on an equally-weighted portfolio with return distributions as follow.(1) Calculate the expected returns and standard deviations of the returns for the two stocks. (2) Calculate the expected return and standard deviation of the return for the equally-weighted portfolio. (3) Calculate the covariance of the returns for Maple and Walrus. (4) Calculate the correlation coefficient for Maple and Walrus, and explain the relationship among the standard deviations for Maple, Walrus, and the portfolio?
A、have; when
B、had; than
C、had; when
D、did; when
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