名校
解题方法
1 . 给出以下命题:
①双曲线
的渐近线方程为
;
②命题“
”是真命题;
③已知线性回归方程为
,当变量
增加
个单位,其预报值平均增加
个单位;
④设随机变量ξ服从正态分布
,若
,则
;
⑤设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2279df7e4731bd6490aebf13d9856dc6.png)
则正确命题的序号为________ (写出所有正确命题的序号).
①双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acca1c00ee33a8d7aabf1d626541259e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95b60de1f6993edd7275bcf8b9527dd.png)
②命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f542f7ffedb36713a74875fbd913ef8.png)
③已知线性回归方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9adbd5913c7a4a8fa526537843dfaf51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
④设随机变量ξ服从正态分布
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bbde2076bfa6dd859f7787e155ab8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5e4c04e11c99553d865c87765c3380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5f03eb7d0c7fafb8750602173748ad.png)
⑤设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab68d62663af2e888754d86085ad27a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2279df7e4731bd6490aebf13d9856dc6.png)
则正确命题的序号为
您最近一年使用:0次
2018-05-19更新
|
1288次组卷
|
2卷引用:【全国市级联考】重庆市綦江区2018届高三5月预测调研考试理科数学试题