Re: [問題] 鍾麗英的統計學...

看板NTPU-COECO94作者ellenellen (好難啊~~~~~~~)時間17年前 (2006/11/11 23:49)推噓3(3推 0噓 0→)

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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? 拜託了>"<! ※ 引述《ellenellen (ㄟ冷ㄟ冷)》之銘言： : 請問一下統計第六章第31題怎麼算? : 因為我沒有解答也沒有一起修的同學 : 看似簡單的題目但我就是z算出來怪怪的>"< : 還有指數分配的機率沒有表可以查嗎? : 計算有點難度ㄝ... : 希望有同學可以幫我解惑!!感激不盡! -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.135.19.149

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agnesb1017

11/12 00:10, , 1^F

11/12 00:10, 1^F

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ellenellen

11/12 00:19, , 2^F

11/12 00:19, 2^F

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bradycool

11/12 00:55, , 3^F

11/12 00:55, 3^F