수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] [창의]방탈출

space 2020.08.31 19:33 조회 403

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

5×5인 방들이 있다고 해보자

이 방들은 서로 연결되어 있고, 한 방에는 한 사람씩있다

또 옆에 있는 방은 잠금장치가 양쪽에 2개씩 있는데, 두개 다 풀리면 문을 열 수있다

사람들이 문을 열 확률은 70%이며, 나는 가운데 있다고 할 때, 확률상으로 내 팀은 몇명이 될까?(문이 열리면 같은 팀이 된다)

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