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Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [확률] 확률의 세계 11: 확률 퀴즈대회 -최종판-
17수락
2020.10.29 08:21
조회 428
동동이의 팀은 2등을 해서 50% 확률 우승권을 가지게 됬다
이제 모두 우승권 당첨 뽑기를 한다
8명 중 갑자기 어떤 아이 1명이 우리 중에 1명만 당첨될 확률이 얼마일까? 라고 말했다
갑자기 사회자가 그것이 좋은 질문이라면서 이 문제를 맞춘 사람을 선착순으로 1등은 10%, 2등은 7%, 3등은 5%의 당첨 확률을 높여준다고 했다
위 문제의 답은 얼마이고 최종적으로 동동이가 우승 당첨될 확률은 얼마일까?
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짱수학천재
Lv.7
2020.11.02 08:29
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