名校
1 . 对于集合
,用
表示有限集合
中元素的个数,已知
,集合
满足
,则符合条件的集合
的个数是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f5735aea7766caa4c9c8757081f9b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7868826e0bb3d32faf4d6f6d5082d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd089af2b898c37371cee5ebbc07be7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2023-10-06更新
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467次组卷
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2卷引用:浙江省杭州市四校2023-2024学年高一上学期10月联考数学试题
2 . 已知
,记随机变量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d5bda893c4a23b6bcfe79753d7e632.png)
___________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac87b4bd71432d757c7b78bbd6b2dcfd.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3424daa30937a04acf8fe09ad898a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c9afe1030c45bf79cb0adb2bea2919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d5bda893c4a23b6bcfe79753d7e632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac87b4bd71432d757c7b78bbd6b2dcfd.png)
您最近一年使用:0次