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Function: driver
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model
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Line: 559
Function: get_footer
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
Line: 315
Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [난이도 中上][확률 계산]공포의 러시안룰렛
수학만
2020.09.05 04:52
조회 665
당신은 범죄 조직의 두목에게 잡혀갔다.
그가 당신에게 권총의 탄창을 보여준다:
그림과 같이 탄창에는 2개의 총알이 나란히 장전되어 있고, 나머지는 비어있다.
그 다음 두목은 탄창을 돌리더니 바닥에 대고 방아쇠를 당겼다.
총알이 발사되지 않았다.
두목은 이제 여러분에 머리에 총구를 겨누고 이렇게 묻는다:
"지금 바로 한번 더 방아쇠를 당길까, 아니면 내가 탄창을 한번 더 돌리고 쏠까?"
총알에 맞으면 바로 죽고, 당신은 살고 싶을 때,
당신의 대답은 무엇인가?
풀이과정을 쓰고 그 경우에 살아남을 확률을 구하시오.
-
노랑
Lv.2
2020.09.17 05:39
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-
에베벱
Lv.3
2020.12.11 07:30
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비밀 댓글이 등록 되었습니다.
지금 바로
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