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有3个兴趣小组,甲、乙两位同学各自参加其中一个小组,每位同学参加各个小组的可能性...
有3个兴趣小组,甲、乙两位同学各自参加其中一个小组,每位同学参加各个小组的可能性相同,则这两位同学参加同一个兴趣小组的概率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214036230869766/SYS201310232140362308697005_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214036230869766/SYS201310232140362308697005_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214036230869766/SYS201310232140362308697005_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214036230869766/SYS201310232140362308697005_ST/3.png)
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