有
台车床加工同一型号的零件,第
台加工的次品率为
,第
,
台加工的次品率均为
,加工出来的零件混放在一起,第
,
,
台车床加工的零件数分别占总数的
,
,
.随机取一个零件,记
“零件为次品”,
“零件为第
台车床加工”
,则下列结论:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546cc01ecae2891e4521122841621857.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f113346111feeec47223abe03411952.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0882e226ce7c49a56454e4254c0cb9cb.png)
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa63145250177be70b0b83a3ecbd3e9.png)
其中正确的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad2925d2ce0e1e8ef352f9501f2590d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8caa734b124b6278bd4a5e522484428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f494ca9d5c6541a2f087ceefa9cab40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ab5c1b86983380e75e0d12ddc92705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358d1067c81a8f997a4d457088a769d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6ceac80fd19c955c9cc30b927a38b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd677f1ed666655d0ba25ab7b6a8f6b8.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546cc01ecae2891e4521122841621857.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f113346111feeec47223abe03411952.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0882e226ce7c49a56454e4254c0cb9cb.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa63145250177be70b0b83a3ecbd3e9.png)
其中正确的序号为
22-23高二下·吉林长春·期中 查看更多[2]
吉林省长春市朝阳区第十七中学2022-2023学年高二下学期期中数学试题(已下线)结业测试卷(范围:第五、六、七章)(基础篇)-【寒假预科讲义】2024年高二数学寒假精品课(人教A版2019)
更新时间:2023-08-14 11:58:01
|
【知识点】 利用全概率公式求概率
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