解题方法
1 . 抛掷一枚质地均匀的骰子一次,事件A=“出现点数为偶数”,事件B=“出现点数为3”,事件C=“出现点数为3的倍数”,事件D=“出现点数为奇数”,则以下选项正确的是( )
A.A与B互斥 | B.A与D互为对立事件 |
C.![]() | D.![]() |
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解题方法
2 . 已知随机变量
满足
,且
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0010cb466163db1349fc1040f6b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f1f3ff62f76a7cedca9c0156e1a5d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996bf8ca61f59c0d70b5a5a21c1e0187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6224d8e037e937fb51ac874c2dbc817b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 给定一组数
,
,
,
,
,
,
,
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
A.平均数为3 | B.标准差为![]() | C.众数为2 | D.![]() |
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4 . 已知函数
的图像关于点
中心对称,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90943f55ade0f0df3038e08cb9c2d371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3038a4b8c02b12b821fbd0fd69145900.png)
A.![]() ![]() |
B.![]() ![]() |
C.直线![]() ![]() |
D.直线![]() ![]() ![]() |
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2024-06-11更新
|
500次组卷
|
2卷引用:江苏省无锡市辅仁高级中学2024届高三下学期高考前适应性练习数学试题
名校
5 . 已知
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef2a45773db8d347f0cfa4e4fca7fd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fefaae8824438cec10b0f8486a40d24.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-06-11更新
|
686次组卷
|
2卷引用:江苏省无锡市辅仁高级中学2024届高三下学期高考前适应性练习数学试题
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6 . 演讲比赛中,12位评委对小李的演讲打出了如下的分数:
若去掉两个最高分,两个最低分,则剩下8个分数的( )
9.3 | 8.8 | 8.9 | 9.0 | 8.9 | 9.0 |
9.1 | 8.7 | 9.2 | 9.0 | 9.1 | 9.2 |
A.极差为0.3 | B.众数为9.0和9.1 |
C.平均数为9.025 | D.第70百分位数为9.05 |
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2024-06-03更新
|
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3卷引用:江苏省无锡市辅仁高级中学2023-2024学年高一下学期5月月考数学试卷
江苏省无锡市辅仁高级中学2023-2024学年高一下学期5月月考数学试卷河南省商丘市部分学校联考2024届高三下学期5月适应性考试数学试题(已下线)专题14.1统计(2))-重难点突破及混淆易错规避(苏教版2019必修第二册)
7 . 已知无穷数列
中,
是以10为首项,以
为公差的等差数列,
是以
为首项,以
为公比的等比数列
,对一切正整数
,都有
.设数列
的前
项和为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20655342f9ace8b50a50f5eae6f37beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74eb8a7738402df52d4a97262b85ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142876945177d2d9621b6842e3d51f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0af2dc59419e7a5e2d093c3d0d42a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c453d55bd2873e4469273132c421e7b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.当![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() | D.不存在![]() ![]() |
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2卷引用:江苏省无锡市辅仁高级中学2024届高三下学期高考前适应性练习数学试题
8 . 下列命题正确的有( )
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.![]() |
D.![]() |
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解题方法
9 . 在
中,
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52237ba956cdfbe2c4587d62d8ece30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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2024-05-08更新
|
791次组卷
|
3卷引用:江苏省无锡市辅仁高级中学2023-2024学年高一下学期5月月考数学试卷
江苏省无锡市辅仁高级中学2023-2024学年高一下学期5月月考数学试卷广西桂林市、来宾市2024届高三下学期第三次联合模拟考试(三模)数学试卷(已下线)高一期末模拟数学试卷01 -期末考点大串讲(苏教版(2019))
名校
解题方法
10 . 已知随机事件
,
的概率分别为
,
,且
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391c6e33329f5f4ad0c5107520d9a5cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b459aa38bd06fa9b5b0412c51121dd48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48af758f876279186afff7fab7b7549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f265833907c74d5d9771f0383c6b76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52eed39d68c88f45c5681a0e176fd18e.png)
A.事件![]() ![]() | B.事件![]() ![]() |
C.![]() | D.![]() |
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