某高中食堂鲜奶站提供
、
两种鲜奶,他们经过统计分析发现:第一次购买的人购买
种鲜奶的概率为
、购买
种鲜奶的概率为
,而前一次购买
种鲜奶的人下一次来购买
种鲜奶的概率为
、购买
种鲜奶的概率为
,前一次购买
种鲜奶的人下一次来购买
种鲜奶的概率为
、购买
种鲜奶的概率也是
,如此往复.记某人第
次来购买
种鲜奶的概率为
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3eaee0866bc35ffa5a39a989d2dfa7.png)
___________ ﹔经过一段时间的经营每天来购买鲜奶的人稳定在800人,假定这800人都已购买过很多次该两种鲜奶,那么公司每天应至少准备
种鲜奶___________ 份.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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20-21高二上·湖北武汉·期末 查看更多[3]
湖北省华中师范大学第一附属中学2020-2021学年高二上学期期末数学试题天津市十二区县重点学校2022届高三下学期一模考前模拟数学试题(已下线)专题20 概率与统计常考小题归类(15大题型)(练习)
更新时间:2021-07-14 22:36:07
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