填空题-单空题 较易0.85 引用2 组卷922
在
件产品中,
有件一级品,
件二级品,则下列事件:
①在这
件产品中任意选出
件,全部是一级品;
②在这
件产品中任意选出
件,全部是二级品;
③在这
件产品中任意选出
件,不全是一级品;
④在这
件产品中任意选出
件,其中不是一级品的件数小于
,
其中 是必然事件; 是不可能事件; 是随机事件.
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/56e58b7dbf3e489081036ad4b669b153.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/8637d7b24ebf4c44b8f33e62b32d2923.png?resizew=26)
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/4340e0b33a6d479883896d0f2c27ec02.png?resizew=12)
①在这
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/56e58b7dbf3e489081036ad4b669b153.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/39f52e9389a841c7b09eca0d84af3a2f.png?resizew=12)
②在这
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/56e58b7dbf3e489081036ad4b669b153.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/39f52e9389a841c7b09eca0d84af3a2f.png?resizew=12)
③在这
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/56e58b7dbf3e489081036ad4b669b153.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/39f52e9389a841c7b09eca0d84af3a2f.png?resizew=12)
④在这
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/56e58b7dbf3e489081036ad4b669b153.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/39f52e9389a841c7b09eca0d84af3a2f.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2011/4/29/1570135116840960/1570135121936384/STEM/8b87fe18f3f84e5da5c5ae7f62736bb5.png?resizew=26)
其中 是必然事件; 是不可能事件; 是随机事件.
10-11高二·河北张家口·单元测试
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