{"blog_url":"https://kurasher.hatenablog.com/","url":"https://kurasher.hatenablog.com/entry/2020/05/16/233643","version":"1.0","description":"\u7d71\u8a08\u5b66\u306b\u304a\u3051\u308b\u4ee3\u8868\u7684\u306a\u5206\u5e03\u306e\u6982\u8981\u3067\u3059\u3002\u8a73\u3057\u3044\u8aac\u660e\u306f\u66f8\u3044\u3066\u3044\u307e\u305b\u3093\u3002 \u30d9\u30eb\u30cc\u30fc\u30a4\u5206\u5e03 2\u9805\u5206\u5e03 \u5e7e\u4f55\u5206\u5e03 \u30dd\u30a2\u30bd\u30f3\u5206\u5e03 \u4e00\u69d8\u5206\u5e03 \u6307\u6570\u5206\u5e03 \u6b63\u898f\u5206\u5e03 \u30d9\u30eb\u30cc\u30fc\u30a4\u5206\u5e03 $Ber(p)$ \u6210\u529f\u3059\u308b\u78ba\u7387\u304c$p$\u3067\u3042\u308b\u8a66\u884c\u3092(1\u56de)\u884c\u306a\u3063\u305f\u6642\u306b\u6210\u529f\u3059\u308b\u304b\u3057\u306a\u3044\u304b \u96e2\u6563\u5206\u5e03 \u78ba\u7387\u8cea\u91cf\u95a2\u6570 $f(x) = P(X = x) = p$ \u671f\u5f85\u5024 $E[X] = p$ \u5206\u6563 $V[X] = p(1-p)$ \u8a73\u7d30\u306f\u3053\u3061\u3089 2\u9805\u5206\u5e03 $Bin(n,p)$ \u6210\u529f\u3059\u308b\u78ba\u7387\u304c$p$\u3067\u3042\u308b\u8a66\u884c\u3092$n$\u56de\u884c\u306a\u3063\u305f\u6642\u306e\u6210\u529f\u306e\u6570\u306e\u5206\u5e03 \u96e2\u6563\u5206\u5e03 \u78ba\u7387\u8cea\u91cf\u95a2\u6570 $f(x) = P(X = x) = _{n}C_{x} p(1-p)^\u2026","height":"190","type":"rich","blog_title":"\u3068\u3042\u308b\u304a\u5144\u3055\u3093\u306e\u96d1\u8a18","author_url":"https://blog.hatena.ne.jp/kurasher/","published":"2020-05-16 23:36:43","author_name":"kurasher","title":"\u7d71\u8a08\u5b66\u306b\u51fa\u3066\u304f\u308b\u5404\u5206\u5e03\u306e\u6982\u8981","provider_name":"Hatena Blog","image_url":"https://chart.apis.google.com/chart?cht=tx&chl=%20Ber%28p%29","categories":["\u7d71\u8a08\u5b66"],"provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkurasher.hatenablog.com%2Fentry%2F2020%2F05%2F16%2F233643\" title=\"\u7d71\u8a08\u5b66\u306b\u51fa\u3066\u304f\u308b\u5404\u5206\u5e03\u306e\u6982\u8981 - \u3068\u3042\u308b\u304a\u5144\u3055\u3093\u306e\u96d1\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%"}