黑暗道具商發現靈魂之火 - 爐石戰記

By Olga
at 2016-01-18T00:49
at 2016-01-18T00:49
Table of Contents
今天看SEN打羅傑 走投無路 只好用黑暗道具商求一張靈魂之火爆發 讓羅傑哆嗦一下
突然想知道 假設你不是燙60229的話 到底抽到機率是多少
這可能沒什麼意義 因為抽到就是抽到 抽不到的還是抽不到
不過有時候在多種選擇下要不要用2水晶賭 值不值得 感覺算一算還是蠻必要的
就像紹安之前跟威傅SK聊過烏鴉塑像的價值(什麼X掉什麼的)
後來發現我竟然不太確定 離高中太遠了XD
問題1:術士1費職業牌共8張 中立生物1費共20張 而發現機制有職業牌400%加成
發現機制為任意抽取3張牌 3張不重複
試問:黑暗道具商發現到靈魂之火的機率為?
ANS1:
假設BZ不會抽完把球放回去
發現到的情況 0XX 0X0 XX0 (0:是魂火 X:不是魂火)
把3種情況機率相加即可
0XX的機率是 4/52 * 48/51 * 47/50 =9024 /132600 約等於 0.068
0.068 *3 = 0.204 換句話說 今天SEN應該有20%的機會賽一個魂火
--
進階題:你有場優 但沒嘲諷下回合就要被尻死
而此時你有一張黑暗道具商
術士有虛無行者跟中立生物3張(閃金鎮步足、聯賽觀眾、職頓兵)
試問:黑暗道具商拯救你的機率為? (這個我想很久 但沒個解答)
--
突然想知道 假設你不是燙60229的話 到底抽到機率是多少
這可能沒什麼意義 因為抽到就是抽到 抽不到的還是抽不到
不過有時候在多種選擇下要不要用2水晶賭 值不值得 感覺算一算還是蠻必要的
就像紹安之前跟威傅SK聊過烏鴉塑像的價值(什麼X掉什麼的)
後來發現我竟然不太確定 離高中太遠了XD
問題1:術士1費職業牌共8張 中立生物1費共20張 而發現機制有職業牌400%加成
發現機制為任意抽取3張牌 3張不重複
試問:黑暗道具商發現到靈魂之火的機率為?
ANS1:
假設BZ不會抽完把球放回去
發現到的情況 0XX 0X0 XX0 (0:是魂火 X:不是魂火)
把3種情況機率相加即可
0XX的機率是 4/52 * 48/51 * 47/50 =9024 /132600 約等於 0.068
0.068 *3 = 0.204 換句話說 今天SEN應該有20%的機會賽一個魂火
--
進階題:你有場優 但沒嘲諷下回合就要被尻死
而此時你有一張黑暗道具商
術士有虛無行者跟中立生物3張(閃金鎮步足、聯賽觀眾、職頓兵)
試問:黑暗道具商拯救你的機率為? (這個我想很久 但沒個解答)
--
Tags:
爐石
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