作者ellenellen (好难啊~~~~~~~)
看板NTPU-COECO94
标题Re: [问题] 锺丽英的统计学...
时间Sat Nov 11 23:54:33 2006
A Myrtle Beach resort hotel has 120rooms.In the spring months,
hotel room occupancy is approximately 75%.
(a)What is the probability that at least half of the rooms are occupied
on a given day?
(b)What is the probability that 100 or more rooms are occupied on a given day?
(c)What is the probability that 80 or fewer rooms are occupied on a given day?
拜托了>"<!
※ 引述《ellenellen (ㄟ冷ㄟ冷)》之铭言：
: 请问一下统计第六章第31题怎麽算?
: 因为我没有解答也没有一起修的同学
: 看似简单的题目但我就是z算出来怪怪的>"<
: 还有指数分配的机率没有表可以查吗?
: 计算有点难度ㄝ...
: 希望有同学可以帮我解惑!!感激不尽!
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1F：推 agnesb1017:ㄧ整个就不会写... 11/12 00:10
2F：推 ellenellen:哈哈...我屎定了... 11/12 00:19
3F：推 bradycool:a 小题好像的z值没得查 怎嚜解决有人知道吗? 11/12 00:55