名校
1 . (多选)统计某校
名学生的某次数学同步练习成绩(满分150分),根据成绩依次分成六组:
,
,
,
,
,
,得到频率分布直方图如图所示,若不低于140分的人数为110,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/cc8de8c2-0a5c-4f89-b496-a0c40a002389.png?resizew=247)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd615c194ebc63b5219cbbcafd53448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae34f7d349643570a8d9960fb6b3bf21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2b4990e11bd1b65f75b1498d7a2815.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cae95a57750bcf5d15b2a4cb39873f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2901c9bc779f1f589d6de9b7674349e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e92eedc0f57edbf8acbb324dc7dfdbd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/cc8de8c2-0a5c-4f89-b496-a0c40a002389.png?resizew=247)
A.![]() | B.![]() |
C.100分以下的人数为60 | D.成绩在区间![]() |
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2020-03-02更新
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7卷引用:广东省珠海市第二中学2020-2021学年高二上学期12月月考数学试题