名校
1 . 马尔科夫链是概率统计中的一个重要模型,因俄国数学家安德烈·马尔科夫得名,其过程具备“无记忆”的性质,即第
次状态的概率分布只跟第
次的状态有关,与第
,
,
,…次状态无关,即
.已知甲盒子中装有2个黑球和1个白球,乙盒子中装有2个白球,现从甲、乙两个盒子中各任取一个球交换放入另一个盒子中,重复
次这样的操作.记甲盒子中黑球个数为
,恰有2个黑球的概率为
,恰有1个黑球的概率为
.
(1)求
,
和
,
;
(2)证明:
为等比数列(
且
);
(3)求
的期望(用
表示,
且
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e66fef6fd59fd11929c390d5b12dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1271285428c740905f7d5db68c5dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce18f4a2c5e2e4f1180c9165ad11c1af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d483b75cd2d55d8ea81f9d1d114a912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d0f3799612b81e85b87241ec8eee68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa17164d3b67aa83bbe4ee428cfee9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deda945164283569437cda6976fe35ea.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d0f3799612b81e85b87241ec8eee68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deda945164283569437cda6976fe35ea.png)
您最近一年使用:0次
2023-09-23更新
|
1806次组卷
|
7卷引用:贵州省黔西南州部分学校2024届高三上学期9月高考适应性月考(一)数学试题
贵州省黔西南州部分学校2024届高三上学期9月高考适应性月考(一)数学试题贵州省贵阳第一中学2024届高三上学期高考适应性月考数学试题(已下线)重难点突破01 概率与统计的综合应用(十八大题型)-2河北省部分学校2023-2024学年高三上学期六调考试数学试题(已下线)专题21 概率与统计的综合运用(13大核心考点)(讲义)(已下线)专题8-2分布列综合归类-1湖北省部分学校2024届高三下学期模拟考试数学试题