试题与答案

从装有2个红球和2个黑球的口袋内任取两个球,那么互斥而不对立的事件是( ) A.

题型:选择题

题目:

从装有2个红球和2个黑球的口袋内任取两个球,那么互斥而不对立的事件是(  )

A.至少有一个黑球与都是黑球

B.至少有一个黑球与至少有一个红球

C.恰好有一个黑球与恰好有两个黑球

D.至少有一个黑球与都是红球

答案:

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