{"id":306,"date":"2012-02-14T17:59:03","date_gmt":"2012-02-14T08:59:03","guid":{"rendered":"http:\/\/roundown.main.jp\/nyushi\/?p=306"},"modified":"2021-09-16T06:49:44","modified_gmt":"2021-09-15T21:49:44","slug":"ngr200804b","status":"publish","type":"post","link":"https:\/\/www.roundown.net\/nyushi\/ngr200804b\/","title":{"rendered":"\u540d\u53e4\u5c4b\u5927\u7406\u7cfb2008\uff1a\u7b2c4\u554f(B)"},"content":{"rendered":"
\n

\u888b A \u306e\u4e2d\u306b\u8d64\u7389\u3068\u767d\u7389\u304c\u305d\u308c\u305e\u308c \\(4\\) \u3064\u5165\u3063\u3066\u3044\u308b\u3053\u3068\u3068, \u888b B \u306e\u4e2d\u306b\u8d64\u7389 \\(3\\) \u3064\u3068\u767d\u7389 \\(2\\) \u3064\u304c\u5165\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u308b.<\/p>\r\n

    \r\n

  1. (1)<\/strong>\u3000\u888b B \u304b\u3089 \\(2\\) \u3064\u306e\u7389\u3092\u53d6\u308a\u51fa\u3059\u3068\u304d, \u53d6\u308a\u51fa\u3055\u308c\u308b\u8d64\u7389\u306e\u500b\u6570\u306e\u671f\u5f85\u5024\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n

  2. (2)<\/strong>\u3000\u888b A \u304b\u3089 \\(3\\) \u3064\u306e\u7389\u3092\u53d6\u308a\u51fa\u3057, \u305d\u306e\u3042\u3068\u888b B \u304b\u3089 \\(2\\) \u3064\u306e\u7389\u3092\u53d6\u308a\u51fa\u3059. \u305d\u306e \\(5\\) \u3064\u306e\u7389\u306e\u3046\u3061\u8d64\u7389\u304c \\(3\\) \u3064\u3067\u3042\u308b\u78ba\u7387\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n

  3. (3)<\/strong>\u3000\u888b A \u304b\u3089 \\(3\\) \u3064\u306e\u7389\u3092\u53d6\u308a\u51fa\u3057\u305f\u3042\u3068\u3067, \\(2\\) \u3064\u306e\u7389\u3092\u888b A \u304b\u3089\u53d6\u308a\u51fa\u3059\u304b\u3042\u308b\u3044\u306f \\(2\\) \u3064\u306e\u7389\u3092\u888b B \u304b\u3089\u53d6\u308a\u51fa\u3059\u304b\u306e\u3069\u3061\u3089\u304b\u3092\u9078\u629e\u3067\u304d\u308b\u3068\u3059\u308b.\r\n\u3067\u304d\u308b\u3060\u3051\u591a\u304f\u306e\u8d64\u7389\u3092\u53d6\u308a\u51fa\u305d\u3046\u3068\u9078\u629e\u3057\u305f\u3068\u304d, \u6700\u7d42\u7684\u306b\u53d6\u308a\u51fa\u3055\u308c\u308b\u8d64\u7389\u306e\u500b\u6570\u306e\u671f\u5f85\u5024\u3092\u6c42\u3081\u3088.<\/p><\/li>\r\n<\/ol>\r\n

    \r\n\r\n

    \u3010 \u89e3 \u7b54 \u3011<\/h4>\r\n

    (1)<\/strong><\/p>\r\n

    \u8d64\u7389\u304c \\(2\\) \u500b\u53d6\u308a\u51fa\u3055\u308c\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {3} \\text{C} {} _ {2}}{{} _ {5} \\text{C} {} _ {2}} = \\dfrac{3}{10}\n\\]\r\n\u8d64\u7389\u304c \\(1\\) \u500b\u53d6\u308a\u51fa\u3055\u308c\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {3} \\text{C} {} _ {1} \\cdot {} _ {2} \\text{C} {} _ {1}}{{} _ {5} \\text{C} {} _ {2}} = \\dfrac{3}{5}\n\\]\r\n\u8d64\u7389\u304c\u53d6\u308a\u51fa\u3055\u308c\u306a\u3044\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {2} \\text{C} {} _ {2}}{{} _ {5} \\text{C} {} _ {2}} = \\dfrac{1}{10}\n\\]\r\n\u3088\u3063\u3066, \u6c42\u3081\u308b\u671f\u5f85\u5024\u306f\r\n\\[\r\n2 \\cdot \\dfrac{3}{10} +1 \\cdot \\dfrac{3}{5}+0 \\cdot \\dfrac{1}{10} = \\underline{\\dfrac{6}{5}}\n\\]\r\n

    (2)<\/strong><\/p>\r\n

      \r\n

    1. 1*<\/strong>\u3000A\u304b\u3089 \\(3\\) \u500b, B\u304b\u3089 \\(0\\) \u500b\u53d6\u308a\u51fa\u3055\u308c\u308b\u3068\u304d\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ {3}}{{} _ {8} \\text{C} {} _ {3}} \\cdot \\dfrac{{} _ {2} \\text{C} {} _ {2}}{{} _ {5} \\text{C} {} _ {2}} = \\dfrac{4}{56 \\cdot 10} = \\dfrac{1}{140}\n\\]<\/li>\r\n

    2. 2*<\/strong>\u3000A\u304b\u3089 \\(2\\) \u500b, B\u304b\u3089 \\(1\\) \u500b\u53d6\u308a\u51fa\u3055\u308c\u308b\u3068\u304d\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ {2} \\cdot {} _ {4} \\text{C} {} _ {1}}{{} _ {8} \\text{C} {} _ {3}} \\cdot \\dfrac{{} _ {3} \\text{C} {} _ {1} \\cdot {} _ {2} \\text{C} {} _ {1}}{{} _ {5} \\text{C} {} _ {2}} = \\dfrac{24 \\cdot 6}{56 \\cdot 10} = \\dfrac{9}{35}\n\\]<\/li>\r\n

    3. 3*<\/strong>\u3000A\u304b\u3089 \\(1\\) \u500b, B\u304b\u3089 \\(2\\) \u500b\u53d6\u308a\u51fa\u3055\u308c\u308b\u3068\u304d\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ {1} \\cdot {} _ {4} \\text{C} {} _ {2}}{{} _ {8} \\text{C} {} _ {3}} \\cdot \\dfrac{{} _ {3} \\text{C} {} _ {2}}{{} _ {5} \\text{C} {} _ {2}} = \\dfrac{24 \\cdot 3}{56 \\cdot 10} = \\dfrac{9}{70}\n\\]<\/li>\r\n<\/ol>\r\n

      \u3057\u305f\u304c\u3063\u3066, \u6c42\u3081\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{1}{140} +\\dfrac{9}{35} +\\dfrac{9}{70} = \\underline{\\dfrac{11}{28}}\n\\]\r\n

      (3)<\/strong><\/p>\r\n

      A \u304b\u3089 \\(3\\) \u3064\u306e\u7389\u3092\u53d6\u308a\u51fa\u3057\u305f\u7d50\u679c\u306b\u5fdc\u3058\u3066, \u5834\u5408\u5206\u3051\u3057\u3066\u8003\u3048\u308b.<\/p>\r\n

        \r\n

      1. 1*<\/strong>\u3000A \u304b\u3089 \\(3\\) \u500b\u306e\u8d64\u7389\u304c\u53d6\u308a\u51fa\u3055\u308c\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ {3}}{{} _ {8} \\text{C} {} _ {3}} = \\dfrac{1}{14}\n\\]\r\n\u3053\u306e\u5f8c, A \u306b\u306f\u8d64\u7389 \\(1\\) \u500b\u3068\u767d\u7389 \\(4\\) \u500b\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u3067, B \u3068\u6bd4\u3079\u308c\u3070, B \u304b\u3089\u53d6\u308a\u51fa\u3059\u307b\u3046\u304c\u6709\u5229\u3067\u3042\u308b.<\/p><\/li>\r\n

      2. 2*<\/strong>\u3000A \u304b\u3089 \\(2\\) \u500b\u306e\u8d64\u7389\u304c\u53d6\u308a\u51fa\u3055\u308c\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ {2} \\cdot {} _ {4} \\text{C} {} _ {1}}{{} _ {8} \\text{C} {} _ {3}} = \\dfrac{3}{7}\n\\]\r\n\u3053\u306e\u5f8c, A \u306b\u306f\u8d64\u7389 \\(2\\) \u500b\u3068\u767d\u7389 \\(3\\) \u500b\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u3067, B \u3068\u6bd4\u3079\u308c\u3070, B \u304b\u3089\u53d6\u308a\u51fa\u3059\u307b\u3046\u304c\u6709\u5229\u3067\u3042\u308b.<\/p><\/li>\r\n

      3. 3*<\/strong>\u3000A \u304b\u3089 \\(1\\) \u500b\u306e\u8d64\u7389\u304c\u53d6\u308a\u51fa\u3055\u308c\u308b\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ {1} \\cdot {} _ {4} \\text{C} {} _ {2}}{{} _ {8} \\text{C} {} _ {3}} = \\dfrac{3}{7}\n\\]\r\n\u3053\u306e\u5f8c, A \u306b\u306f\u8d64\u7389 \\(3\\) \u500b\u3068\u767d\u7389 \\(2\\) \u500b\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u3067, B \u3068\u6bd4\u3079\u308c\u3070, A , B \u3069\u3061\u3089\u304b\u3089\u53d6\u308a\u51fa\u3057\u3066\u3082\u3088\u3044.<\/p><\/li>\r\n

      4. 4*<\/strong>\u3000A \u304b\u3089\u8d64\u7389\u304c\u53d6\u308a\u51fa\u3055\u308c\u306a\u3044\u78ba\u7387\u306f\r\n\\[\r\n\\dfrac{{} _ {4} \\text{C} {} _ {3}}{{} _ {8} \\text{C} {} _ {3}} = \\dfrac{1}{14}\n\\]\r\n\u3053\u306e\u5f8c, A \u306b\u306f\u8d64\u7389 \\(4\\) \u500b\u3068\u767d\u7389 \\(1\\) \u500b\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u3067, B \u3068\u6bd4\u3079\u308c\u3070, A \u304b\u3089\u53d6\u308a\u51fa\u3059\u307b\u3046\u304c\u6709\u5229\u3067\u3042\u308b.
        \r\n\u3053\u306e\u3068\u304d\u306e\u8d64\u7389\u306e\u671f\u5f85\u5024\u306f\r\n\\[\r\n2 \\cdot \\dfrac{{} _ {4} \\text{C} {} _ {2}}{{} _ {5} \\text{C} {} _ {2}} +1 \\cdot \\dfrac{{} _ {4} \\text{C} {} _ {1} \\cdot {} _ {1} \\text{C} {} _ {1}}{{} _ {5} \\text{C} {} _ {2}} = \\dfrac{8}{5}\n\\]<\/li>\r\n<\/ol>\r\n

        \u4ee5\u4e0a\u3088\u308a, \u6c42\u3081\u308b\u671f\u5f85\u5024\u306f\r\n\\[\\begin{align}\r\n\\dfrac{1}{14} \\left( 3 +\\dfrac{6}{5} \\right) & +\\dfrac{3}{7} \\left( 2 +\\dfrac{6}{5} \\right) +\\dfrac{3}{7} \\left( 1 +\\dfrac{6}{5} \\right) +\\dfrac{1}{14} \\left( 0 +\\dfrac{8}{5} \\right) \\\\\r\n& = \\dfrac{21+96+66+8}{70} = \\underline{\\dfrac{191}{70}}\n\\end{align}\\]\r\n","protected":false},"excerpt":{"rendered":"\u888b A \u306e\u4e2d\u306b\u8d64\u7389\u3068\u767d\u7389\u304c\u305d\u308c\u305e\u308c \\(4\\) \u3064\u5165\u3063\u3066\u3044\u308b\u3053\u3068\u3068, \u888b B \u306e\u4e2d\u306b\u8d64\u7389 \\(3\\) \u3064\u3068\u767d\u7389 \\(2\\) \u3064\u304c\u5165\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u308b. (1)\u3000\u888b B \u304b\u3089 \\(2\\) \u3064\u306e\u7389\u3092\u53d6\u308a\u51fa\u3059\u3068\u304d, \u53d6 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[53],"tags":[143,16],"class_list":["post-306","post","type-post","status-publish","format-standard","hentry","category-nagoya_r_2008","tag-nagoya_r","tag-16"],"_links":{"self":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/comments?post=306"}],"version-history":[{"count":0,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/306\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/media?parent=306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/categories?post=306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/tags?post=306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}