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수학동아 - 폴리매스
본문바로가기
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 전등 깨기!!
khr519 2020.12.22 07:26 조회 389
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

폴리매스 사이트의 전등 수는 42개 이다( 같은 색깔이 3개씩 14묶음(한 색깔은 초록,파랑 빼고 세 묶음씩 있음))

전등 수의 절반이 켜져있을 확률이 50%, 마우스를 휘둘렀을때 전등 5개가 깨질 확률은 20% 일때 빨간 전등 5개가 깨질 확률을 구하시오.

이 문제 어떠셨나요?

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  •  
    khr519 Lv.8 2020.12.22 07:27

    어라 창 크기 달라지니깐 전등 수가 달라져 버렸.......

    댓글 작성하기 좋아요0 댓글수2
    •  
      원파 Lv.9 2020.12.22 08:42

      ㅋㅋㅋ

      좋아요0
    •  
      khr519 Lv.8 2020.12.22 17:48

      그냥 저기 나온 대로 풀어주시길 바랍니다...

      좋아요0
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