{"id":6426,"date":"2022-05-22T18:22:43","date_gmt":"2022-05-22T09:22:43","guid":{"rendered":"https:\/\/hatsudy.com\/jp\/?p=6426"},"modified":"2022-05-25T20:24:25","modified_gmt":"2022-05-25T11:24:25","slug":"gmma-distribution","status":"publish","type":"post","link":"https:\/\/hatsudy.com\/jp\/gmma-distribution.html","title":{"rendered":"\u30ac\u30f3\u30de\u5206\u5e03\uff1a\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u3067\u306e\u8a08\u7b97\u3084\u671f\u5f85\u5024\uff08\u5e73\u5747\uff09\u30fb\u5206\u6563\u306e\u516c\u5f0f"},"content":{"rendered":"\n<p>\u4efb\u610f\u306e\u6642\u9593\u306b\u30a4\u30d9\u30f3\u30c8\u304c\u4f55\u56de\u767a\u751f\u3059\u308b\u306e\u304b\u3092\u8868\u3059\u306e\u304c\u30ac\u30f3\u30de\u5206\u5e03\u3067\u3059\u3002\u975e\u5e38\u306b\u591a\u304f\u306e\u5834\u9762\u3067\u5229\u7528\u3055\u308c\u308b\u306e\u304c\u30ac\u30f3\u30de\u5206\u5e03\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6307\u6570\u5206\u5e03\u3068\u4f3c\u3066\u3044\u308b\u306e\u304c\u30ac\u30f3\u30de\u5206\u5e03\u3067\u3059\u3002\u307e\u305f\u6307\u6570\u5206\u5e03\u3092\u4e00\u822c\u5316\u3055\u305b\u3001\u3088\u308a\u591a\u304f\u306e\u30b1\u30fc\u30b9\u3067\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u306e\u304c\u30ac\u30f3\u30de\u5206\u5e03\u3067\u3059\u3002\u4eba\u306e\u4f53\u91cd\u5206\u5e03\u3084\u30a6\u30a4\u30eb\u30b9\u306e\u6f5c\u4f0f\u671f\u9593\u306a\u3069\u3001\u30ac\u30f3\u30de\u5206\u5e03\u306b\u5f93\u3046\u30b1\u30fc\u30b9\u306f\u591a\u3044\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u30ac\u30f3\u30de\u5206\u5e03\u306e\u6027\u8cea\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u3092\u5b66\u3073\u3001\u671f\u5f85\u5024\uff08\u5e73\u5747\uff09\u3084\u5206\u6563\u3092\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u30ac\u30f3\u30de\u5206\u5e03\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u3055\u307e\u3056\u307e\u306a\u5834\u9762\u3067\u78ba\u7387\u3092\u4e88\u60f3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u30ac\u30f3\u30de\u5206\u5e03\u306e\u6027\u8cea\u3084\u671f\u5f85\u5024\u30fb\u5206\u6563\u3092\u5f97\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u7279\u5b9a\u671f\u9593\u306b\\(n\\)\u56de\u8d77\u3053\u308b\u78ba\u7387\u3092\u8868\u3059\u306e\u304c\u30ac\u30f3\u30de\u5206\u5e03<\/h2>\n<p>\u9023\u7d9a\u578b\u78ba\u7387\u5206\u5e03\u306e\u4e00\u3064\u304c\u30ac\u30f3\u30de\u5206\u5e03\u3067\u3059\u3002<span 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loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/05\/kfh1.jpg\" alt=\"\" width=\"500\" height=\"306\" class=\"aligncenter size-full wp-image-6496\" 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style=\"color: #ff0000;\">\u30ac\u30f3\u30de\u5206\u5e03\u306f\u6307\u6570\u5206\u5e03\u306e\u4e00\u7a2e\u306a\u306e\u3067\u3059\u3002<\/span><\/p>\n<p>\u6307\u6570\u5206\u5e03\u306e\u5834\u5408\u3001\u5b9a\u671f\u7684\u306b\u767a\u751f\u3059\u308b\u30e9\u30f3\u30c0\u30e0\u306a\u30a4\u30d9\u30f3\u30c8\u304c\u4e00\u56de\u767a\u751f\u3059\u308b\u78ba\u7387\u306b\u3064\u3044\u3066\u3001\u3044\u3064\u8d77\u3053\u308b\u306e\u304b\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u30a4\u30d9\u30f3\u30c8\u304c\u4e00\u56de\u767a\u751f\u3059\u308b\u30b1\u30fc\u30b9\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3082\u5229\u7528\u3057\u306b\u304f\u3044\u3067\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u4e00\u56de\u3067\u306f\u306a\u304f\u3001\u8907\u6570\u56de\u8d77\u3053\u308b\u30b1\u30fc\u30b9\u3092\u77e5\u308a\u305f\u3044\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u300c\u5b9a\u671f\u7684\u306b\u767a\u751f\u3059\u308b\u30e9\u30f3\u30c0\u30e0\u306a\u30a4\u30d9\u30f3\u30c8\u300d\u304c\u5e73\u5747\u3057\u3066\\(\u03bb\\)\u56de\u767a\u751f\u3059\u308b\u3068\u304d\u3001\u7279\u5b9a\u306e\u6642\u9593\u306b\u5408\u8a08\\(n\\)\u56de\u8d77\u3053\u308b\u78ba\u7387\u3092\u8abf\u3079\u3089\u308c\u308b\u306e\u304c\u30ac\u30f3\u30de\u5206\u5e03\u3067\u3059\u3002\u6307\u6570\u5206\u5e03\u3088\u308a\u3082\u30ac\u30f3\u30de\u5206\u5e03\u304c\u5229\u7528\u3055\u308c\u308b\u306e\u306f\u3001\u5229\u7528\u7bc4\u56f2\u304c\u975e\u5e38\u306b\u5e83\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n<p><strong>\u30fb\u30dd\u30a2\u30bd\u30f3\u5206\u5e03\u3068\u306e\u9055\u3044<\/strong><\/p>\n<p>\u30ac\u30f3\u30de\u5206\u5e03\u3068\u6307\u6570\u5206\u5e03\u3068\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u305f\u5f8c\u3001\u30dd\u30a2\u30bd\u30f3\u5206\u5e03\u3068\u306e\u9055\u3044\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30ac\u30f3\u30de\u5206\u5e03\u3068\u6307\u6570\u5206\u5e03\u306f\u89aa\u305b\u304d\u3067\u3042\u308b\u305f\u3081\u3001\u30dd\u30a2\u30bd\u30f3\u5206\u5e03\u3068\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u6307\u6570\u5206\u5e03\u3068\u30dd\u30a2\u30bd\u30f3\u5206\u5e03\u306e\u9055\u3044\u306b\u7740\u76ee\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u3002<\/p>\n<p>\u30ac\u30f3\u30de\u5206\u5e03\u3084\u6307\u6570\u5206\u5e03\u3068\u3044\u3046\u306e\u306f\u3001\u767a\u751f\u9593\u9694\u306b\u7740\u76ee\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u6307\u6570\u5206\u5e03\u306e\u5834\u5408\u3001\u6b21\u306e\u30a4\u30d9\u30f3\u30c8\u767a\u751f\u304c\u3044\u3064\u306a\u306e\u304b\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u65b9\u3067\u30dd\u30a2\u30bd\u30f3\u5206\u5e03\u306e\u5834\u5408\u3001\u7279\u5b9a\u306e\u6642\u9593\u5185\u306b\u767a\u751f\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u56de\u6570\u306b\u7740\u76ee\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u6307\u6570\u5206\u5e03\uff1a\u6b21\u306e\u767a\u751f\u9593\u9694\u306b\u7740\u76ee\u3059\u308b<\/li>\n<li>\u30dd\u30a2\u30bd\u30f3\u5206\u5e03\uff1a\u7279\u5b9a\u306e\u6642\u9593\u5185\u306b\u767a\u751f\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u56de\u6570\u306b\u7740\u76ee\u3059\u308b<\/li>\n<\/ul>\n<p><span style=\"color: #0000ff;\">\u30ac\u30f3\u30de\u5206\u5e03\u3084\u6307\u6570\u5206\u5e03\u3067\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u306f\u6642\u9593\u3054\u3068\u306e\u78ba\u7387\u5206\u5e03\u3067\u3059\u3002<\/span>\u4e00\u65b9\u3001\u30dd\u30a2\u30bd\u30f3\u5206\u5e03\u3067\u306f\u30a4\u30d9\u30f3\u30c8\u306e\u767a\u751f\u56de\u6570\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30ac\u30f3\u30de\u5206\u5e03\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570<\/h2>\n<p>\u6b21\u306b\u3001\u30ac\u30f3\u30de\u5206\u5e03\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u308c\u305e\u308c\u306e\u8a18\u53f7\uff08<span>\u30d1\u30e9\u30e1\u30fc\u30bf<\/span>\uff09\u306e\u610f\u5473\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(x\\)\uff1a\u7d4c\u904e\u6642\u9593<\/li>\n<li>\\(\u03bb\\)\uff1a\u7279\u5b9a\u671f\u9593\u3067\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3059\u308b\u5e73\u5747\u56de\u6570<\/li>\n<li>\\(a\\)\uff1a\u4e8b\u8c61\u304c\u8d77\u3053\u308b\u56de\u6570<\/li>\n<li>\\(\u0393(a)\\)\uff1a\u4fc2\u6570<\/li>\n<\/ul>\n<p>\u3053\u306e\u3068\u304d\u3001\u30ac\u30f3\u30de\u5206\u5e03\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\\(f(x)\\)\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(f(x)=\\displaystyle\\frac{\u03bb^a}{\u0393(a)}x^{a-1}e^{-\u03bbx}\\)<\/li>\n<\/ul>\n<p>\u516c\u5f0f\u306f\u8907\u96d1\u3067\u3042\u308b\u305f\u3081\u3001\u516c\u5f0f\u3092\u307f\u3066\u3082\u610f\u5473\u3092\u7406\u89e3\u3067\u304d\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u305f\u3060\u300c\u516c\u5f0f\u306b\u5024\u3092\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u30ac\u30f3\u30de\u5206\u5e03\u306e\u78ba\u7387\u5bc6\u5ea6\u3092\u5f97\u3089\u308c\u308b\u300d\u3068\u7406\u89e3\u3067\u304d\u308c\u3070\u305d\u308c\u3067\u5145\u5206\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\\(\u0393(a)\\)\u306f\u30ac\u30f3\u30de\u95a2\u6570\u3067\u3042\u308a\u3001\\(f(x)\\)\u3092\u7a4d\u5206\u3057\u30661\u306b\u306a\u308b\u3088\u3046\u306b\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30ac\u30f3\u30de\u95a2\u6570\u306e\u8a08\u7b97\u306f\u8907\u96d1\u3067\u3059\u3002\u305f\u3060<span style=\"color: #0000ff;\">\u4e8b\u8c61\u304c\u8d77\u3053\u308b\u56de\u6570\\(a\\)\u304c\u6b63\u306e\u6574\u6570\u306e\u5834\u5408\u3001\\(\u0393(a)=(a-1)!\\)\u306b\u306a\u308a\u307e\u3059\u3002<\/span>\u3053\u306e\u5834\u5408\u3001\u8a08\u7b97\u304c\u7c21\u5358\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u5148\u307b\u3069\u306e\u4f8b\u984c\u306b\u3064\u3044\u3066\u5024\u3092\u5f53\u3066\u306f\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>1\u5206\u3042\u305f\u308a10\u4eba\u304c\u8a2a\u308c\u308b\u516c\u5712\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u30024\u5206\u5f8c\u306b\u8a2a\u554f\u8005\u304c50\u4eba\u306b\u306a\u308b\u78ba\u7387\u5bc6\u5ea6\u306f\u3044\u304f\u3089\u3067\u3057\u3087\u3046\u304b\u3002<\/li>\n<\/ul>\n<p>4\u5206\u5f8c\u306e\u78ba\u7387\u5bc6\u5ea6\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u30021\u5206\u3092\u6642\u9593\u306e\u57fa\u6e96\u306b\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(x\\)\uff1a4<\/li>\n<li>\\(\u03bb\\)\uff1a10<\/li>\n<li>\\(a\\)\uff1a50<\/li>\n<li>\\(\u0393(a)\\)\uff1a49!<\/li>\n<\/ul>\n<p>\u8a08\u7b97\u5f0f\u306f\u4ee5\u4e0b\u3067\u3059\u3002<\/p>\n<p>\\(f(4)=\\displaystyle\\frac{10^{50}}{49!}\u00d74^{49}\u00d7e^{-10\u00d74}\\)<\/p>\n<p>\\(\u22520.2213\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u30014\u5206\u5f8c\u306e\u78ba\u7387\u5bc6\u5ea6\u306f0.2213\u3068\u308f\u304b\u308a\u307e\u3059\u3002\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u3092\u5229\u7528\u3057\u3001\u5024\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u300c\u7279\u5b9a\u306e\u6642\u9593\u306b\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3059\u308b\u78ba\u7387\u5bc6\u5ea6\u300d\u3092\u5f97\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u7d2f\u7a4d\u5206\u5e03\u95a2\u6570\u3092\u5229\u7528\u3057\u3066\u78ba\u7387\u3092\u8a08\u7b97\u3059\u308b<\/h3>\n<p>\u306a\u304a\u6307\u6570\u5206\u5e03\u306b\u3082\u5171\u901a\u3057\u307e\u3059\u304c\u3001\u7279\u5b9a\u306e\u6642\u9593\u306e\u78ba\u7387\u5bc6\u5ea6\u3092\u5f97\u3089\u308c\u3066\u3082\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u3046\u3067\u306f\u306a\u304f\u3001\u305d\u308c\u307e\u3067\u306e\u78ba\u7387\u306e\u7d2f\u7a4d\u3092\u78ba\u8a8d\u3059\u308b\u307b\u3046\u304c\u91cd\u8981\u3067\u3059\u3002<span style=\"color: #ff0000;\">\u305d\u308c\u307e\u3067\u306b\u767a\u751f\u3059\u308b\u3059\u3079\u3066\u306e\u78ba\u7387\u5bc6\u5ea6\u3092\u8db3\u305b\u3070\u3001\u7279\u5b9a\u306e\u6642\u9593\u304c\u7d4c\u904e\u3059\u308b\u307e\u3067\u306b\u3001\u30a4\u30d9\u30f3\u30c8\u304c\\(n\\)\u56de\u767a\u751f\u3059\u308b\u78ba\u7387\u3092\u5f97\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p>\u305d\u3053\u3067\u3001\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u3092\u5229\u7528\u3057\u3066\u9762\u7a4d\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u7279\u5b9a\u306e\u6642\u9593\u306b\u3064\u3044\u3066\u3001\u305d\u308c\u307e\u3067\u306e\u78ba\u7387\u5bc6\u5ea6\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3059\u308c\u3070\u3001\u5408\u8a08\u306e\u767a\u751f\u78ba\u7387\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u7d2f\u7a4d\u5206\u5e03\u95a2\u6570\\(F(x)\\)\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ac\u30f3\u30de\u5206\u5e03\u306e\u7d2f\u7a4d\u5206\u5e03\u95a2\u6570\u306f\u975e\u5e38\u306b\u8907\u96d1\u306a\u306e\u3067\u3001\u8868\u8a08\u7b97\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u5148\u307b\u3069\u306e\u4f8b\u984c\u3067\u3042\u308c\u3070\u3001\u7d2f\u7a4d\u5206\u5e03\u95a2\u6570\u306e\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/05\/kfh4.jpg\" alt=\"\" width=\"500\" height=\"288\" class=\"aligncenter size-full wp-image-6502\" \/><\/p>\n<p>\u4f8b\u3048\u30705\u5206\u7d4c\u904e\u6642\u9593\u306e\u5024\u3092\u78ba\u8a8d\u3059\u308b\u3068\u30010.5188\uff0851.88%\uff09\u3067\u3059\u30023\u5206\u5f8c\u30844\u5206\u5f8c\u306b\u516c\u5712\u306b50\u4eba\u304c\u8a2a\u308c\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3053\u308c\u3089\u306e\u30b1\u30fc\u30b9\u3082\u542b\u3081\u308b\u5834\u5408\u30015\u5206\u5f8c\u306b50\u4eba\u304c\u8a2a\u308c\u308b\u78ba\u7387\u306f50%\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u78ba\u7387\u3092\u3059\u3079\u3066\u8db3\u3059\u5834\u5408\u3001\u5f53\u7136\u306a\u304c\u30891\uff08100%\uff09\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6642\u9593\u7d4c\u904e\u3068\u5171\u306b\u5024\u306f1\u306b\u8fd1\u3065\u304d\u307e\u3059\u3002<\/p>\n<h3>\u30ac\u30f3\u30de\u5206\u5e03\u3067\u671f\u5f85\u5024\uff08\u5e73\u5747\uff09\u3092\u5f97\u308b\u516c\u5f0f<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u30ac\u30f3\u30de\u5206\u5e03\u3067\u306e\u671f\u5f85\u5024\uff08\u5e73\u5747\uff09\u306f\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u5f97\u3089\u308c\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u7279\u5b9a\u671f\u9593\u3067\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3059\u308b\u5e73\u5747\u56de\u6570\u3092\\(\u03bb\\)\u3001\u4e8b\u8c61\u304c\u8d77\u3053\u308b\u56de\u6570\u3092\\(a\\)\u3068\u3059\u308b\u3068\u3001\u30ac\u30f3\u30de\u5206\u5e03\u306e\u671f\u5f85\u5024\\(E(X)\\)\u306f\u4ee5\u4e0b\u306e\u516c\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(E(X)=\\displaystyle\\frac{a}{\u03bb}\\)<\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u516c\u5f0f\u3067\u3059\u3002\u306a\u304a\u671f\u5f85\u5024\u306b\u3064\u3044\u3066\u306f\u3001\u6307\u6570\u5206\u5e03\u3068\u540c\u69d8\u306b\u3001\u306a\u305c\u3053\u306e\u3088\u3046\u306a\u516c\u5f0f\u306b\u306a\u308b\u306e\u304b\u7406\u89e3\u3057\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u30701\u5206\u9593\u306b\u5e73\u57475\u4eba\uff08\\(\u03bb\\)\uff09\u304c\u8a2a\u308c\u308b\u516c\u5712\u3067\u3042\u308c\u3070\u30015\u4eba\uff08\\(a\\)\uff09\u304c\u8a2a\u308c\u308b\u671f\u5f85\u5024\u306f\u5f53\u7136\u306a\u304c\u30891\u5206\u3067\u3059\u3002\u4e00\u65b9\u300110\u4eba\uff08\\(a\\)\uff09\u304c\u8a2a\u308c\u308b\u671f\u5f85\u5024\u306f\\(\\displaystyle\\frac{10}{5}=2\\)\u5206\u3067\u3059\u3002<span style=\"color: #0000ff;\">\u4e8b\u8c61\u304c\u8d77\u3053\u308b\u56de\u6570\\(a\\)\u304c\u5897\u3048\u308b\u3068\u3001\u305d\u306e\u5206\u3060\u3051\u671f\u5f85\u5024\uff08\u9054\u6210\u306b\u5fc5\u8981\u306a\u6642\u9593\uff09\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p>\u306a\u304a\u3001\u30ac\u30f3\u30de\u5206\u5e03\u306e\u671f\u5f85\u5024\u306e\u8a3c\u660e\u306f\u3053\u3053\u3067\u306f\u884c\u3044\u307e\u305b\u3093\u3002\u8a3c\u660e\u3092\u3057\u305f\u3044\u5834\u5408\u3001\u671f\u5f85\u5024\u306e\u5b9a\u7fa9\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u5206\u6563\u306e\u516c\u5f0f\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3059\u308b<\/h3>\n<p>\u306a\u304a\u671f\u5f85\u5024\uff08\u5e73\u5747\uff09\u306e\u8a08\u7b97\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3042\u308c\u3070\u3001\u6b21\u306f\u5206\u6563\u306e\u8a08\u7b97\u3092\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002\u30ac\u30f3\u30de\u5206\u5e03\u3067\u306e\u5206\u6563\\(V(X)\\)\u306f\u4ee5\u4e0b\u306e\u516c\u5f0f\u306b\u3088\u3063\u3066\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(V(X)=\\displaystyle\\frac{a}{\u03bb^2}\\)<\/li>\n<\/ul>\n<p>\u671f\u5f85\u5024\uff08\u5e73\u5747\uff09\u3068\u540c\u69d8\u306b\u3001\u7279\u5b9a\u671f\u9593\u306b\u30a4\u30d9\u30f3\u30c8\u767a\u751f\u3059\u308b\u5e73\u5747\u56de\u6570\u304c\\(\u03bb\\)\u3001\u4e8b\u8c61\u767a\u751f\u306e\u56de\u6570\u304c\\(a\\)\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u5024\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5206\u6563\u306e\u8a08\u7b97\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u30ac\u30f3\u30de\u5206\u5e03\u3067\u5206\u6563\u306e\u516c\u5f0f\u3092\u8a3c\u660e\u3057\u305f\u3044\u5834\u5408\u3001\u671f\u5f85\u5024\u3068\u540c\u69d8\u306b\u5206\u6563\u306e\u5b9a\u7fa9\u3092\u5229\u7528\u3057\u3066\u8a3c\u660e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30a2\u30fc\u30e9\u30f3\u5206\u5e03\u306f\u30ac\u30f3\u30de\u5206\u5e03\u306e\u4e00\u90e8<\/h2>\n<p>\u53c2\u8003\u307e\u3067\u306b\u3001\u30ac\u30f3\u30de\u5206\u5e03\u3092\u5b66\u3076\u3068\u304d\u306b\u30a2\u30fc\u30e9\u30f3\u5206\u5e03\u306b\u3064\u3044\u3066\u3082\u7fd2\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<span style=\"color: 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