Math Problem Statement
已知有一款名为僵尸猎手的游戏,玩家需要在4乘4的格子中(16个人类)找出伪装成人类的12只僵尸,游戏规则如下:1.每射击一次消耗1颗子弹;2.若打中人类,则游戏立即结束,且游戏重置;3.若打中僵尸,则游戏继续,直到射杀完12只僵尸,中途若射杀人类,则回到规则2;4.打完12个僵尸视为游戏成功,否则视为失败;问:至少需要准备多少颗子弹,才能确保游戏成功的概率在50%或以上
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Formulas
Probability of independent events
Theorems
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Suitable Grade Level
High School
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