试题与答案

小王、小李两位同学,独立完成一套高三数学模拟测试题,他们的解答合格的概率依次为4

题型:解答题

题目:

小王、小李两位同学,独立完成一套高三数学模拟测试题,他们的解答合格的概率依次为
4
5
3
5
,试求:
(1)他们两人中有且只有1人合格的概率;
(2)他们两人中至少有一人不合格的概率.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错

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