下列属于泊松分布的是( )
A.电子元件的使用寿命
B.某一时段进入某商店的顾客数
C.电话的通话时间
D.顾客在某一服务系统接受服务的时间
正确答案是B
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上一篇:Write no less than 150 words on each of the following topics in English in the corresponding space on the answer sheet.Daniel Defoe's novel Robinson Crusoe was a great success partly because the protagonist was a real middle-class hero. Discuss C
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