问题
选择题
用四舍五入法按要求把2.05446 取近似值，其中错误的是 [ ]
A.2.1(精确到0.1)
B.2.05(精确到百分位)
C.2.05(保留2个有效数字)
D.2.054(精确到0.001)
答案
答案：C
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用四舍五入法按要求把2.05446 取近似值，其中错误的是 [ ]
A.2.1(精确到0.1)
B.2.05(精确到百分位)
C.2.05(保留2个有效数字)
D.2.054(精确到0.001)
答案：C
Evelyn Mastakis, CFA, manages a portfolio with $2000000 for a high-networth client. The client needs to withdraw $100000 for a charity in one year without invading principal. Mastakis gathers the following information about three possible allocations of assets.
| Allocation 1 | Allocation 2 | Allocation 3 | |
| Expected annual return | 13% | 8% | 26% |
| Standard deviation of retums | 9% | 4.5% | 14% |
A. Allocation 1.
B. Allocation 2.
C. Allocation 3.