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Function: require_once

수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 발렌타인데이
조이 2020.02.15 05:49 조회 927
문제 푼 사람 1명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

폴리매스 유저가 3000명이라고 가정할 때 이중 남자 회원분들이 발렌타인데이에 여친으로부터 초콜릿을 받았을 확률은???

(이미지 출처 : https://namu.wiki/w/%EB%B0%B8%EB%9F%B0%ED%83%80%EC%9D%B8%20%EB%8D%B0%EC%9D%B4)

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  •  
    조이 Lv.8 2020.02.15 05:55 비밀댓글
    비밀 댓글이 등록 되었습니다.
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  •  
    아인수타인 Lv.12 2020.02.15 11:39

    근데 폴리매스에 남자 회원분들 비율이 얼마나 되죠...?

    댓글 작성하기 좋아요0 댓글수1
    •  
      조이 Lv.8 2020.02.18 05:53 비밀댓글
      비밀 댓글이 등록 되었습니다!
  •  
    부분해결
    GUN.007 Lv.11 2020.02.23 06:13 비밀댓글
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    •  
      조이 Lv.8 2020.02.23 20:26 비밀댓글
      비밀 댓글이 등록 되었습니다!
  •  
    해결
    북조선 페르마 Lv.5 2020.03.01 06:05 비밀댓글
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    •  
      조이 Lv.8 2020.03.06 04:17 비밀댓글
      비밀 댓글이 등록 되었습니다!
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