\u3000\u78ba\u7387\u5206\u5e03\u3054\u3068\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570 f(x), \u78ba\u7387\u5909\u6570 X \u306e\u671f\u5f85\u5024 E(X) \u304a\u3088\u3073\u5206\u6563 V(X) \u3092\u307e\u3068\u3081\u307e\u3057\u305f\uff0e<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u8d85\u5e7e\u4f55\u5206\u5e03<\/span><\/td>\n \u00a0<\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{{}_{M}C_x\\cdot{}_{N-M}C_{n-x}}{{}_{N}C_{n}}$ <\/td>\n $\\displaystyle x = Max(0, n - (N - M)), \\cdots, Min(n, M)$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = np$ <\/td>\n $\\displaystyle p = \\frac{M}{N}$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = np(1 - p)\\frac{N - n}{N - 1}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
\u4e8c\u9805\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = {}_{n}C_{x}p^{x}(1 - p)^{n - x}$ <\/td>\n $\\displaystyle x = 0, 1, \\cdots, n$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = np$ <\/td>\n $\\displaystyle 0 < p < 1[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle V(X) = np(1 - p)$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
\u30dd\u30a2\u30bd\u30f3\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{\\exp(- \\lambda)\\cdot\\lambda^x}{x!}$ <\/td>\n $\\displaystyle x = 0, 1, 2, \\cdots$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\lambda$ <\/td>\n $\\lambda = np$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\lambda$ <\/td>\n <\/td>\n<\/tr>\n
\u5e7e\u4f55\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = p(1 - p)^{x - 1}$ <\/td>\n $\\displaystyle x = 1, 2, 3, \\cdots$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\frac{1}{p}$ <\/td>\n $\\displaystyle 0 < p < 1[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle V(X) = \\frac{1 - p}{p^2}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
\u8ca0\u306e\u4e8c\u9805\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = {}_{k + x - 1}C_{x}p^{k}(1-p)^{x}$ <\/td>\n $\\displaystyle x = 0, 1, 2, \\cdots$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\frac{k(1 - p)}{p}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{k(1 - p)}{p^2}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
\u6b63\u898f\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{1}{\\sqrt{2\\pi}\\sigma}\\exp\\left(-\\frac{(x - m)^2}{2\\sigma^2}\\right)$ <\/td>\n $\\displaystyle - \\infty < x < \\infty[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = m$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\sigma^2$ <\/td>\n $\\displaystyle \\sigma > 0$ <\/td>\n<\/tr>\n
\u6307\u6570\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\lambda\\exp(-\\lambda x)$ <\/td>\n $\\displaystyle x \\ge 0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n $\\displaystyle x < 0[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = \\frac{1}{\\lambda}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{1}{\\lambda^2}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
\u30ac\u30f3\u30de\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{\\lambda^\\alpha}{\\Gamma(\\alpha)}x^{\\alpha - 1}\\exp(- \\lambda x)$ <\/td>\n $\\displaystyle x \\ge 0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n $\\displaystyle x < 0[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = \\frac{\\alpha}{\\lambda}$ <\/td>\n $\\displaystyle \\lambda, \\alpha > 0$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{\\alpha}{\\lambda^2}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
\u30d9\u30fc\u30bf\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{x^{\\alpha - 1}(1 - x)^{\\beta - 1}}{B(\\alpha, \\beta)}$ <\/td>\n $\\displaystyle 0 < x < 1[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle f(x) = 0$ <\/td>\n $\\displaystyle x \\le 0, 1 \\le x$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\frac{\\alpha}{\\alpha + \\beta}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{\\alpha\\beta}{(\\alpha + \\beta)^2(\\alpha + \\beta + 1)}$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
\u30b3\u30fc\u30b7\u30fc\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{\\alpha}{\\pi(\\alpha^2 + (x - \\lambda)^2)}$ <\/td>\n $\\displaystyle \\alpha > 0$ <\/td>\n<\/tr>\n
\u5bfe\u6570\u6b63\u898f\u5206\u5e03<\/span><\/td>\n \u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{1}{\\sqrt{2\\pi}\\sigma x}\\exp\\left(-\\frac{(\\log(x) - m)^2}{2\\sigma^2}\\right)$ <\/td>\n $\\displaystyle x > 0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n $\\displaystyle x \\le 0$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\exp\\left(m + \\frac{\\sigma^2}{2}\\right)$ <\/td>\n $\\displaystyle \\sigma > 0$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\exp[2m + \\sigma^2](\\exp[\\sigma^2] - 1)$ <\/td>\n \u00a0<\/td>\n<\/tr>\n
\u30d1\u30ec\u30fc\u30c8\u5206\u5e03<\/span><\/td>\n \u00a0<\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{x_0^\\alpha}{x^{\\alpha + 1}}$ <\/td>\n $\\displaystyle x \\ge x_0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n $\\displaystyle x < 0[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = \\frac{ax_0}{a - 1}$ <\/td>\n $\\displaystyle a > 1$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{ax_0^2}{a - 2} - \\left(\\frac{ax_0}{a - 1}\\right)^2$ <\/td>\n $\\displaystyle a > 2$ <\/td>\n<\/tr>\n
\u30ef\u30a4\u30d6\u30eb\u5206\u5e03<\/span><\/td>\n \u00a0<\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{\\gamma x^{\\gamma - 1}}{\\lambda^b}\\exp\\left[-\\left(\\frac{x}{y}\\right)^\\gamma\\right]$ <\/td>\n $\\displaystyle x \\ge 0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n $\\displaystyle x < 0[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = \\lambda\\Gamma\\left(1 + \\frac{1}{\\gamma}\\right)$ <\/td>\n $\\displaystyle \\lambda > 0$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\lambda^2\\left[\\Gamma\\left(2 + \\frac{1}{\\gamma}\\right) - \\left(\\Gamma\\left(1 + \\frac{1}{\\gamma}\\right)\\right)^2\\right]$ <\/td>\n $\\displaystyle \\gamma > 0$ <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/iframe><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u3000\u78ba\u7387\u5206\u5e03\u3054\u3068\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570 f(x), \u78ba\u7387\u5909\u6570 X \u306e\u671f\u5f85\u5024 E(X) \u304a\u3088\u3073\u5206\u6563 V(X) \u3092\u307e\u3068\u3081\u307e\u3057\u305f\uff0e \u8d85\u5e7e\u4f55\u5206\u5e03 \u00a0 \u00a0 \u4e8c\u9805\u5206\u5e03 \u00a0 \u00a0 \u30dd\u30a2\u30bd\u30f3\u5206\u5e03 \u00a0 \u5e7e\u4f55\u5206\u5e03 \u00a0 \u00a0 \u8ca0\u306e\u4e8c\u9805\u5206\u5e03 \u00a0 \u00a0 \u00a0 \u6b63\u898f … <a href=\"https:\/\/www.fujiitoshiki.com\/improvesociety\/?p=2969\" class=\"more-link\"><span class=\"screen-reader-text\">“\u78ba\u7387\u5206\u5e03\u3054\u3068\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u304a\u3088\u3073\u671f\u5f85\u5024\u3068\u5206\u6563” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-2969","post","type-post","status-publish","format-standard","hentry","category-statistics"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/2969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2969"}],"version-history":[{"count":52,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/2969\/revisions"}],"predecessor-version":[{"id":7670,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/2969\/revisions\/7670"}],"wp:attachment":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

\u8d85\u5e7e\u4f55\u5206\u5e03<\/span><\/td>\n	\u00a0<\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{{}_{M}C_x\\cdot{}_{N-M}C_{n-x}}{{}_{N}C_{n}}$ <\/td>\n	$\\displaystyle x = Max(0, n - (N - M)), \\cdots, Min(n, M)$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = np$ <\/td>\n	$\\displaystyle p = \\frac{M}{N}$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = np(1 - p)\\frac{N - n}{N - 1}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
\u4e8c\u9805\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = {}_{n}C_{x}p^{x}(1 - p)^{n - x}$ <\/td>\n	$\\displaystyle x = 0, 1, \\cdots, n$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = np$ <\/td>\n	$\\displaystyle 0 < p < 1[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle V(X) = np(1 - p)$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
\u30dd\u30a2\u30bd\u30f3\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{\\exp(- \\lambda)\\cdot\\lambda^x}{x!}$ <\/td>\n	$\\displaystyle x = 0, 1, 2, \\cdots$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\lambda$ <\/td>\n	$\\lambda = np$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\lambda$ <\/td>\n	<\/td>\n<\/tr>\n
\u5e7e\u4f55\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = p(1 - p)^{x - 1}$ <\/td>\n	$\\displaystyle x = 1, 2, 3, \\cdots$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\frac{1}{p}$ <\/td>\n	$\\displaystyle 0 < p < 1[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle V(X) = \\frac{1 - p}{p^2}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
\u8ca0\u306e\u4e8c\u9805\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = {}_{k + x - 1}C_{x}p^{k}(1-p)^{x}$ <\/td>\n	$\\displaystyle x = 0, 1, 2, \\cdots$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\frac{k(1 - p)}{p}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{k(1 - p)}{p^2}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
\u6b63\u898f\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{1}{\\sqrt{2\\pi}\\sigma}\\exp\\left(-\\frac{(x - m)^2}{2\\sigma^2}\\right)$ <\/td>\n	$\\displaystyle - \\infty < x < \\infty[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = m$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\sigma^2$ <\/td>\n	$\\displaystyle \\sigma > 0$ <\/td>\n<\/tr>\n
\u6307\u6570\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\lambda\\exp(-\\lambda x)$ <\/td>\n	$\\displaystyle x \\ge 0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n	$\\displaystyle x < 0[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = \\frac{1}{\\lambda}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{1}{\\lambda^2}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
\u30ac\u30f3\u30de\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{\\lambda^\\alpha}{\\Gamma(\\alpha)}x^{\\alpha - 1}\\exp(- \\lambda x)$ <\/td>\n	$\\displaystyle x \\ge 0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n	$\\displaystyle x < 0[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = \\frac{\\alpha}{\\lambda}$ <\/td>\n	$\\displaystyle \\lambda, \\alpha > 0$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{\\alpha}{\\lambda^2}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
\u30d9\u30fc\u30bf\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{x^{\\alpha - 1}(1 - x)^{\\beta - 1}}{B(\\alpha, \\beta)}$ <\/td>\n	$\\displaystyle 0 < x < 1[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle f(x) = 0$ <\/td>\n	$\\displaystyle x \\le 0, 1 \\le x$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\frac{\\alpha}{\\alpha + \\beta}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{\\alpha\\beta}{(\\alpha + \\beta)^2(\\alpha + \\beta + 1)}$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
\u30b3\u30fc\u30b7\u30fc\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{\\alpha}{\\pi(\\alpha^2 + (x - \\lambda)^2)}$ <\/td>\n	$\\displaystyle \\alpha > 0$ <\/td>\n<\/tr>\n
\u5bfe\u6570\u6b63\u898f\u5206\u5e03<\/span><\/td>\n	\u00a0<\/span><\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{1}{\\sqrt{2\\pi}\\sigma x}\\exp\\left(-\\frac{(\\log(x) - m)^2}{2\\sigma^2}\\right)$ <\/td>\n	$\\displaystyle x > 0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n	$\\displaystyle x \\le 0$ <\/td>\n<\/tr>\n
$\\displaystyle E(X) = \\exp\\left(m + \\frac{\\sigma^2}{2}\\right)$ <\/td>\n	$\\displaystyle \\sigma > 0$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\exp[2m + \\sigma^2](\\exp[\\sigma^2] - 1)$ <\/td>\n	\u00a0<\/td>\n<\/tr>\n
\u30d1\u30ec\u30fc\u30c8\u5206\u5e03<\/span><\/td>\n	\u00a0<\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{x_0^\\alpha}{x^{\\alpha + 1}}$ <\/td>\n	$\\displaystyle x \\ge x_0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n	$\\displaystyle x < 0[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = \\frac{ax_0}{a - 1}$ <\/td>\n	$\\displaystyle a > 1$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\frac{ax_0^2}{a - 2} - \\left(\\frac{ax_0}{a - 1}\\right)^2$ <\/td>\n	$\\displaystyle a > 2$ <\/td>\n<\/tr>\n
\u30ef\u30a4\u30d6\u30eb\u5206\u5e03<\/span><\/td>\n	\u00a0<\/td>\n<\/tr>\n
$\\displaystyle f(x) = \\frac{\\gamma x^{\\gamma - 1}}{\\lambda^b}\\exp\\left[-\\left(\\frac{x}{y}\\right)^\\gamma\\right]$ <\/td>\n	$\\displaystyle x \\ge 0$ <\/td>\n<\/tr>\n
$\\displaystyle f(x) = 0$ <\/td>\n	$\\displaystyle x < 0[\/latex]<\/td> <\/tr> <tr> <td><img src='https:\/\/s0.wp.com\/latex.php?latex&bg=T&fg=000000&s=0' alt='' title='' class='latex' \/>\\displaystyle E(X) = \\lambda\\Gamma\\left(1 + \\frac{1}{\\gamma}\\right)$ <\/td>\n	$\\displaystyle \\lambda > 0$ <\/td>\n<\/tr>\n
$\\displaystyle V(X) = \\lambda^2\\left[\\Gamma\\left(2 + \\frac{1}{\\gamma}\\right) - \\left(\\Gamma\\left(1 + \\frac{1}{\\gamma}\\right)\\right)^2\\right]$ <\/td>\n	$\\displaystyle \\gamma > 0$ <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/iframe><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u3000\u78ba\u7387\u5206\u5e03\u3054\u3068\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570 f(x), \u78ba\u7387\u5909\u6570 X \u306e\u671f\u5f85\u5024 E(X) \u304a\u3088\u3073\u5206\u6563 V(X) \u3092\u307e\u3068\u3081\u307e\u3057\u305f\uff0e \u8d85\u5e7e\u4f55\u5206\u5e03 \u00a0 \u00a0 \u4e8c\u9805\u5206\u5e03 \u00a0 \u00a0 \u30dd\u30a2\u30bd\u30f3\u5206\u5e03 \u00a0 \u5e7e\u4f55\u5206\u5e03 \u00a0 \u00a0 \u8ca0\u306e\u4e8c\u9805\u5206\u5e03 \u00a0 \u00a0 \u00a0 \u6b63\u898f … <a href=\"https:\/\/www.fujiitoshiki.com\/improvesociety\/?p=2969\" class=\"more-link\"><span class=\"screen-reader-text\">“\u78ba\u7387\u5206\u5e03\u3054\u3068\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u304a\u3088\u3073\u671f\u5f85\u5024\u3068\u5206\u6563” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-2969","post","type-post","status-publish","format-standard","hentry","category-statistics"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/2969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2969"}],"version-history":[{"count":52,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/2969\/revisions"}],"predecessor-version":[{"id":7670,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/2969\/revisions\/7670"}],"wp:attachment":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}