A.0.24,0.76 B.0.50,0.50 C.0.57,0.43 D.0.43,0.57 E.0.76,0.24
假设有最小方差资产组合G,股票A和股票B在资产组合G中的权重分别为多少?()
A.0.40,0.60 B.0.66,0.34 C.0.34,0.66 D.0.76,0.24 E.0.24,0.76
计算:A股票和B股票的协方差是多少?()
A.0.46 B.0.60 C.0.58 D.1.20 E.以上各项均不准确