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小李是9人队伍中的一员,他们随机排成一列队伍,从1开始按顺序报数,小李报到偶数的...
小李是9人队伍中的一员,他们随机排成一列队伍,从1开始按顺序报数,小李报到偶数的概率是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193917983819996/SYS201311011939179838199009_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193917983819996/SYS201311011939179838199009_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193917983819996/SYS201311011939179838199009_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193917983819996/SYS201311011939179838199009_ST/3.png)
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