理财产品A、B收益率分布如下:
(来学网)
理财产品A和理财产品B在未来可能出现的四种经济状态下的收益率的概率分布如上表,已知理财产品B的预期收益率为0.0475,标准差为0.087285,计算以下3题:
  1. 理财产品A的预期收益率是( ),方差是( )。
    A.
    (来学网)0.2575,0.012594
    B.
    (来学网)0.2,0.048750
    C.
    (来学网)0.2,0.050375
    D.
    (来学网)0.2575,0.047069
  2. 理财产品A和B的收益率的协方差是( )。
    A.
    (来学网)0.002888
    B.
    (来学网)0.004894
    C.
    (来学网)0.004031
    D.
    (来学网)0.005289
  3. 理财产品A和B的收益率的相关系数是( )。
    A.
    (来学网)0.2584
    B.
    (来学网)0.0048
    C.
    (来学网)0.1364
    D.
    (来学网)0.0189