수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] [확률] 윤년

infinitepi 2020.07.31 04:38 조회 544

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

전에 문제 너무 쉬운것 같아서 조금 바꿨습니다.

연속된 470해을 무작위로 정한다.

연속되는 470해가 시작되는 년도를 400으로 나눈 나머지가 340보다 크고 390보다 작을 때,

무작위로 470해 중 한 해를 골랐을 때 그 해가 윤년일 확률을 구하여라.

이전글 [대수] 규칙과 확률

다음글 [조합] 이제 프사 써야지

이 문제 어떠셨나요?

글쎄요

어려워요

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파이파이 Lv.9 2020.07.31 04:50

음...

좋아요!!!

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