喵喵大將軍兩種抽卡策略之期望石計算 - 神魔之塔
By Selena
at 2019-06-06T22:09
at 2019-06-06T22:09
Table of Contents
大結論:其實一值重置抽卡是不划算的!!
乖乖30張慢慢抽到空比較好
規則1:卡夾共30張,一張大獎虹伶,抽後不放回,每次抽取皆為隨機
規則2:第n抽後獎賞n石,n=1,2,3,4
規則3:玩家可以重置,重置後,卡夾還原至30張,且規則2獎賞可再次獲得
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現在有兩玩家抽卡策略不同,試問何者划算?
玩家A:在完全不重置情況下,直到抽到大獎停止。 期望石=67.5石
玩家B:利用規則2&3,每4抽後重置,直到抽到大獎停止。 期望石=75.0石
不占版面 分析就用圖片如下表達
https://i.imgur.com/FkNpxrE.png
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神魔之塔
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