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【简答题】
以下哪项是概率分布的属性： A.与所有可能发生情况相关联的总概率等于零； B.利用提供了每种可能结果的概率的公式或图表，可以将它模型化； C.只有一种结果是可能的； D.只涉及一个离散的随机变量。
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皮皮学刷刷变学霸
举一反三
【单选题】We _________ six days a week, but now we only work five days.
A.
used work
B.
are used to work
C.
used to working
D.
used to work
【单选题】We _____ in this pool when we were young, but now it _____ fish.
A.
are used to swim; used to keep
B.
are used to swimming; used to keep
C.
used to swimming; is used to keep
D.
used to swim; is used for keeping
【单选题】We ______ play on the town square when we were children.
A.
are used to
B.
were used to
C.
used to
D.
use to
【单选题】We ______ swim in the little lake when we were children.
A.
were used to
B.
used to
C.
are used to
【单选题】We _____ in this pool when we were young, but now it _____ fish. [ ]
A.
are used to swim; used to keep
B.
are used to swimming; is used to keep
C.
used to swim; used to keep
D.
used to swim; is used for keeping
【单选题】某人向银行贷款,甲银行年利率为 17% ,一年计息一次;乙银行年利率为 16% ,每月计息一次,问他分析的结果是( )。
A.
向甲银行贷款
B.
向乙银行贷款
C.
向两家银行贷款一样
D.
甲银行贷款的实际利率高于乙银行
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