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【判断题】
普通单程票出站不用回收A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】设随机变量X服从泊松分布,且P{X=1}=P{X=2}, 则P{X=4}=( )
A.
e -1 /24
B.
81e -3 /24
C.
2e -1 /3
D.
2e -2 /3
【简答题】Are there any logical fallacies in his argument?
【简答题】Argument may often be a part of it, but the purpose of the argument is not to convince. There is no winning in conversation.
【简答题】设随机变量X服从泊松分布，且 3P{X=1}+2P{X=2}=4P{X=0}， 求X的期望与方差。
【多选题】多选题: 2. In order to have an argument ,_______________.
A.
Your reasons should support a conclusion.
B.
There is a relationship between reasons.
C.
You must have a connection between reasons and conclusion.
D.
You must have a perfect conclusion.
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