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stat概率论数理统计计算器2023Probability theory mathematical statistics calculator 2023

2022-08-16 15:58  软件商  阅读(462)  评论(0编辑  收藏  举报

stat概率论数理统计计算器2023

Probability theory mathematical statistics calculator 2023

2023版更新记录:

 

2023 Edition update Record:

 

1.中英文双语的界面。

 

1.Bilingual interface in Chinese and English.

 

2.A、B两艘轮船驶向一个不能同时停泊2艘船的码头。它们T小时内到达的时间是等可能的。如果A船停泊的时间是TA小时,B船的停泊时间是TB小时,求它们任何一艘都不需要等候码头空出的概率是多少?

2. A, B two steamers drive onto a wharf that can't anchor 2 ships in the meantime.Their T hour inside arrive of time be that etc. is possible.If the A ship anchor of time be a TA hour, B ship of touch and go time be a TB hour, beg them any an all don't need to wait for wharf to vacate of all how much be the rate ?

 

3.某种动物从出生活到20岁的概率为ANUM,活到25岁的概率为BNUM,问现年20岁的这种动物活到25岁的的概率CNUM是多少?

 

3.A certain animal lives from the birth 20-year-old is ANUM, 25-year-old is BNUM,all how much berate's asking 20-year-old this kind of animal to live CNUM all a rate for the animal?

 

 

4.产品中有AA的废品率,在100件合格品中有BB件一等品,求在产品中任取1件是一等品的概率。

4.Have the discard of AA the article rate in the product, there is BB piece in 100 qualifiedarticles one etc. article, beg in the product to allow to take 1 is one etc. article of all

rate.

 

5.AB两班共有AAA个同学,其中女同学G个,设A班有BBB个同学,其中女生G1个。在碰到A班同学时,正好碰到1个女生的概率。

5.AB 2 classes totally have a classmate, among them female classmate G, establish an A class to have a classmate, among them girl G1.At the right moment run into a girl all a rate while run

into a classmate.

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