从装有5个红球和3个白球的口袋内任取3个球,那么互斥而不对立的事

从装有5个红球和3个白球的口袋内任取3个球,那么互斥而不对立的事件是(    )

A.至少有一个红球;都是红球                     B.至少有一个红球;都是白球

C.至少有一个红球;至少有一个白球            D.恰好有一个红球;恰好有两个红球

答案

答案:D

解析:

A、C两事件不是互斥的,B是对立的.

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