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设A、B两种股票构成一个证券组合,,有关数据如下表,并且已知ωA=1/4,ωB=3/4、ρAB=0.8,试计算该证券组合的期望收益率方差和标准差。

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更多 “设A、B两种股票构成一个证券组合,,有关数据如下表,并且已知ωA=1/4,ωB=3/4、ρAB=0.8,试计算该证券组合的期望收益率方差和标准差。 ” 相关考题
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