1 . 根据分类变量
与
的成对样本数据,计算得到
.已知
,则依据小概率值
的
独立性检验,可以推断变量
与
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b647e51d9c49c3fbbea74e845a1c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a5c5b01f27736a83f4d49904aab475.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bdaf501302beeec9d077be02909e3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953e89f7e797bf8fe9ff31e0d2f66728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.独立,此推断犯错误的概率是![]() |
B.不独立,此推断犯错误的概率是![]() |
C.独立,此推断犯错误的概率不超过![]() |
D.不独立,此推断犯错误的概率不超过![]() |
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2023-07-16更新
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296次组卷
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2卷引用:北京市大兴区2022-2023学年高二下学期期末考试数学试题