[問題] 機率問題

看板Hearthstone (爐石戰記)作者 (BIG)時間10年前 (2015/09/14 10:51), 10年前編輯推噓46(601436)
留言110則, 76人參與, 最新討論串2/2 (看更多)
對面場上一隻3/2飛刀手 我方空場 這時候出瘋狂炸彈客 炸死飛刀手的機率是多少 有人算6/27 也有人算7/27 -- Sent from my Android -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 111.83.241.13 ※ 文章網址: https://www.ptt.cc/bbs/Hearthstone/M.1442199075.A.1CD.html

09/14 10:52, , 1F
我覺得是 50/50拉 樓下怎麼看
09/14 10:52, 1F

09/14 10:52, , 2F
1/2
09/14 10:52, 2F

09/14 10:53, , 3F
我覺得是1/1拉 樓下怎麼看
09/14 10:53, 3F

09/14 10:54, , 4F
對面是一隻飛刀手還是七隻?
09/14 10:54, 4F

09/14 10:54, , 5F
1/2
09/14 10:54, 5F
※ 編輯: BBBC64 (111.83.241.13), 09/14/2015 10:55:41

09/14 10:57, , 6F
一群87也 祕法飛彈才是1/2齁
09/14 10:57, 6F

09/14 11:00, , 7F
7/27
09/14 11:00, 7F

09/14 11:01, , 8F
當然是六發自打,兩倍a烈焰小鬼
09/14 11:01, 8F

09/14 11:01, , 9F
土法煉鋼 12下中 13下中 23下中的機率加起來...
09/14 11:01, 9F

09/14 11:02, , 10F
1/2
09/14 11:02, 10F

09/14 11:02, , 11F
7/27
09/14 11:02, 11F

09/14 11:03, , 12F
1/3*1/3*1+1/3*2/3*1/3+2/3*1/3*1/3=7/27
09/14 11:03, 12F

09/14 11:04, , 13F
不是死就是沒死 這樣最快
09/14 11:04, 13F

09/14 11:06, , 14F
相較下炸彈客炸死2/1怪機率超過70% 比那個火焰雜師
09/14 11:06, 14F

09/14 11:06, , 15F
50%高多了
09/14 11:06, 15F

09/14 11:10, , 16F
1/9+1/9+1/27=7/27
09/14 11:10, 16F

09/14 11:10, , 17F
3q
09/14 11:10, 17F

09/14 11:19, , 18F
回50%的只是想玩Amaz數學吧
09/14 11:19, 18F

09/14 11:35, , 19F
1/2
09/14 11:35, 19F

09/14 11:37, , 20F
我只知道每次都只會三發打在自己臉上,就不爽放了
09/14 11:37, 20F

09/14 11:38, , 21F
C3取2 * (1/3)^2 * (2/3)^1
09/14 11:38, 21F

09/14 11:40, , 22F
樓上這種算法好像會有個盲點 當12下都中了之後
09/14 11:40, 22F

09/14 11:41, , 23F
第3下中誰都無所謂 分母也不會是3 因為已經掛了
09/14 11:41, 23F

09/14 11:41, , 24F
1/2
09/14 11:41, 24F

09/14 11:43, , 25F
兩費烈焰小鬼
09/14 11:43, 25F

09/14 11:49, , 26F
多行善咖實在
09/14 11:49, 26F

09/14 11:53, , 27F
1/9+2/27+2/27
09/14 11:53, 27F

09/14 11:57, , 28F
1/2
09/14 11:57, 28F

09/14 11:59, , 29F
50%
09/14 11:59, 29F

09/14 12:03, , 30F
50%不是秘法飛彈的機率嘛 炸彈客會炸自己臉唉
09/14 12:03, 30F

09/14 12:08, , 31F
自己出都炸到自己的機率大概是99%
09/14 12:08, 31F

09/14 12:18, , 32F
自己炸對面機率是0%,對面出炸自己機率是100%,懂?
09/14 12:18, 32F

09/14 12:20, , 33F
1-炸0-炸1=0.5
09/14 12:20, 33F

09/14 12:31, , 34F
12中1/9 13中2/27 23中2/27 這樣?
09/14 12:31, 34F

09/14 12:34, , 35F
我倒覺得像塊綠豆糕
09/14 12:34, 35F

09/14 12:40, , 36F
不就死跟沒死?國小數學還不會?50%阿
09/14 12:40, 36F

09/14 12:41, , 37F
7/27
09/14 12:41, 37F

09/14 12:48, , 38F
50%
09/14 12:48, 38F
還有 32 則推文
09/14 16:27, , 71F
飛刀可能死的組合=臉刀刀*2+刀臉刀*2+刀刀臉*2=6
09/14 16:27, 71F

09/14 16:28, , 72F
所以飛刀死的機率=6/26=3/13
09/14 16:28, 72F

09/14 16:59, , 73F
噗 各種答案都有 請數學老師發一篇讓大家閉嘴吧
09/14 16:59, 73F

09/14 16:59, , 74F
50% 死或沒死
09/14 16:59, 74F

09/14 17:23, , 75F
算成6/26的數學都要重修
09/14 17:23, 75F

09/14 17:23, , 76F
50%
09/14 17:23, 76F

09/14 17:54, , 77F
爭什麼 用更瘋狂的炸彈客不就好了
09/14 17:54, 77F

09/14 17:54, , 78F
50%
09/14 17:54, 78F

09/14 17:58, , 79F
算機率還能算出13這種質數,觀念有待加強
09/14 17:58, 79F

09/14 17:59, , 80F
看到13就該知道自己算錯了
09/14 17:59, 80F

09/14 18:00, , 81F
6/26 +1
09/14 18:00, 81F

09/14 18:01, , 82F
沒有刀刀刀 這麼東西 分子 分母各少一
09/14 18:01, 82F

09/14 18:02, , 83F
分母怎麼可以減
09/14 18:02, 83F

09/14 18:04, , 84F
所有出象不含的 還不能減 0.0
09/14 18:04, 84F

09/14 18:06, , 85F
前兩刀死的機率是1/9
09/14 18:06, 85F

09/14 18:07, , 86F
剩下的8/9再去討論第三刀有沒有死
09/14 18:07, 86F

09/14 18:07, , 87F
所以死的機率一定是1/9+其他分數
09/14 18:07, 87F

09/14 18:08, , 88F
分母怎麼可能變26
09/14 18:08, 88F

09/14 18:10, , 89F
用1-打0次-打1次算會比較好
09/14 18:10, 89F

09/14 18:11, , 90F
延伸題 雙方都剩1滴血時 打死飛刀手機率是?
09/14 18:11, 90F

09/14 18:13, , 91F
臉會變負的吧,所以沒差吧?
09/14 18:13, 91F

09/14 18:22, , 92F
死不死就是5050
09/14 18:22, 92F

09/14 18:26, , 93F
我錯了 出象是26種 但是機率是6/27
09/14 18:26, 93F

09/14 18:41, , 94F
要看放炸彈客的人是誰 才能決定機率
09/14 18:41, 94F

09/14 18:58, , 95F
我的炸彈客絕對0% 然後無視場上多少怪一定會打自己
09/14 18:58, 95F

09/14 18:58, , 96F
臉..
09/14 18:58, 96F

09/14 19:02, , 97F
7/27
09/14 19:02, 97F

09/14 19:11, , 98F
妥妥的7/27 說6/26的回去重修國中數學...
09/14 19:11, 98F

09/14 20:02, , 99F
vincent30708要不要再想想?扣除刀刀刀會是-1嗎?
09/14 20:02, 99F

09/14 20:29, , 100F
我想了 所以我錯了XD 打完覺得怪怪的 想說就算了
09/14 20:29, 100F

09/14 20:40, , 101F
到底在噓什麼…
09/14 20:40, 101F

09/14 22:16, , 102F
刀刀刀代表還是有打死 所以不能扣掉 7/27沒錯
09/14 22:16, 102F

09/14 22:18, , 103F
刀刀(1/9)+刀X刀(2/27)+X刀刀(2/27)=7/27
09/14 22:18, 103F

09/14 23:22, , 104F
死 沒死 1/2
09/14 23:22, 104F

09/15 06:37, , 105F
XDD
09/15 06:37, 105F

09/15 13:52, , 106F
說到數學讓一堆人崩潰了嗎
09/15 13:52, 106F

09/15 14:41, , 107F
出現結果雖然有26種 但不是每種出現的機率都相等
09/15 14:41, 107F

09/15 18:31, , 108F
AMAZ約98.9% 我的話大約是0% 然後對面下回合下兩隻
09/15 18:31, 108F

09/15 18:31, , 109F
怪剛好射死我炸彈客的機率是100%
09/15 18:31, 109F

09/18 05:48, , 110F
三下都打自己臉 飛刀再射自己臉 賺
09/18 05:48, 110F
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