单项选择题
一个Anadarko Oil 占60%、Noble Drilling 占40%的投资组合的期望收益率是()。
A.12.5%B.12.7%C.13.24%D.13.6%E.11.6%
A.1.14B.1.16C.1.18D.1.20E.1.22
A.1063.22B.1069.22C.1070.45D.1074.15E.1089.22
A.532.5B.548.2C.558.4D.562.1E.573.6
A.127.86B.129.57C.130.52D.133.67E.138.24
A.18.1%;17.8%B.18.1%;18.4%C.17.1%;17.4%D.17.1%;16.8%E.18.4%;18.1%
A.-0.022B.-0.28C.0.022D.0.03E.0.032
A.5.85%B.7.63%C.9.36%D.11.24%E.13.85%
A.0.06B.0.09C.0.15D.0.17E.0.19
A.8.0%B.8.2%C.8.7%D.9.0%E.9.2%