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问题：
[单选题]某投资项目预计未来收益前景为“很好”、“一般”和“较差”的概率分别为30%、50%和20%，相应的投资收益率分别为30%、12%和6%，则该项投资的预期收益率为（）。
A.12%
B.16%
C.16.2%
D.30%
更多“[单选题]某投资项目预计未来收益前景为“很好”、“一般”和“较差”的概率分别为30%、50%和20%，相应的投资收益率分别为30%、12%和6%，则该项投资的预期收益率为（）。”相关的问题
第1题
The OSI（66)model, sometimes also called ISO or 7 layers reference model for communication,
</p>The OSI(66)model, sometimes also called ISO or 7 layers reference model for communication, has been developed by the International Standards Organization in early 1980's.
A．referent
B．reference
C．referance
D．refering
第2题
The OSI（66)model, sometimes also called ISO or 7 layers reference model for communication,
The OSI(66)model, sometimes also called ISO or 7 layers reference model for communication, has been developed by the International Standards Organization in early 1980's.
A．referent
B．reference
C．referance
D．refering
第3题
The OS!（68)model, sometimes also called ISO or 7 layers reference model for communication,
The OS!(68)model, sometimes also called ISO or 7 layers reference model for communication, has been developed by the International Standards Organization in early 1980' s.
A．referent
B．reference
C．referance
D．refering
第4题
The TCP/IP stack is a complete set of networking protocols. The OSI Model was meantto be a
The TCP/IP stack is a complete set of networking protocols. The OSI Model was meant
to be a standardized way of connecting devices together. and most protocols have some direct
correlation to the OSI Model. The OSI Model has 7 layers. the foruth layer is called(75)
A. physical layer
B. data link Iayer
C.application layer
D.transport layer
第5题
Manufacturer model is also called （)A. a direct modelB. e－tailerC. catalog merchantD. B
Manufacturer model is also called ()
A. a direct model
B. e-tailer
C. catalog merchant
D. Bit vendor
第6题
ISO/IEC7498标准定义了网络的7层框架，也就是开放式系统互联参考模型（Open Systems Interconnection Reference Model,OSI）
第7题
The Bonfire Night, which is celebrated in November, sometimes is also called _____________________.
第8题
OSI是ISO制定的网络体系结构模型。OSI为（）层结构
A．4
B．5
C．6
D．7
第9题
OSI是ISO制定的网络体系结构模型。OSI为（）层结构。
A．4
B． 5
C． 6
D． 7
第10题
ISO的OSI模型有几层？
A．4
B．5
C．6
D．7 |
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发表于 2023-10-16 05:46:07
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