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【判断题】
共相同源是指两个物种因为遗传物质的垂直传递而有共同的特征,那么这两个物种只能有一个共同的祖先。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】If a portfolio has an expected return of 12% and the market risk-free rate is 3%. What is the sharpe ratio of this portfolio if the standard deviation of this portfolio is 3%?
A.
5
B.
3
C.
5%
D.
3%
【单选题】A well-diversified portfolio has negligible :
A.
expected return
B.
systematic risk
C.
unsystematic risk
D.
variance
【判断题】A portfolio contains two assets. The first asset comprises 40% of the portfolio and has a beta of 1.2. The other asset has a beta of 1.5. The portfolio beta is 1.35.
A.
正确
B.
错误
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