{"id":1468,"date":"2018-01-04T09:42:23","date_gmt":"2018-01-04T14:42:23","guid":{"rendered":"http:\/\/blog.espol.edu.ec\/estg1003\/?p=1468"},"modified":"2026-03-03T21:26:37","modified_gmt":"2026-03-04T02:26:37","slug":"3eva2017ti_t3-pdf-conjunta-marginales-covarianza","status":"publish","type":"post","link":"https:\/\/blog.espol.edu.ec\/algoritmos101\/stp-3eva\/3eva2017ti_t3-pdf-conjunta-marginales-covarianza\/","title":{"rendered":"3Eva2017TI_T3 Pdf conjunta, marginales, covarianza"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">3ra Evaluaci\u00f3n I T\u00e9rmino 2017-2018.&nbsp; Septiembre 12, 2017<\/h2>\n\n\n\n<p><strong>Tema 3<\/strong> (20 puntos). La funci\u00f3n densidad conjunta de X, Y es:<\/p>\n\n\n\n<span class=\"wp-katex-eq katex-display\" data-display=\"true\"> f(x,y) = \\frac{1}{y} e ^{-(y + x\/y)} <\/span>\n\n\n\n<p>donde: 0&lt;x&lt;\u221e , 0&lt;y&lt;\u221e \\<\/p>\n\n\n\n<p>a)&nbsp;&nbsp;&nbsp; Verifique que es una funci\u00f3n de densidad conjunta<\/p>\n\n\n\n<p>b)&nbsp;&nbsp;&nbsp; Determine las funciones de densidad marginal<\/p>\n\n\n\n<p>c)&nbsp;&nbsp;&nbsp;&nbsp; Encuentre la Covarianza(X, Y)<\/p>\n\n\n\n<p><em><strong>R\u00fabrica<\/strong><\/em>: literal a y b (7 puntos), literal c (6 puntos)<\/p>\n\n\n\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>3ra Evaluaci\u00f3n I T\u00e9rmino 2017-2018.&nbsp; Septiembre 12, 2017 Tema 3 (20 puntos). La funci\u00f3n densidad conjunta de X, Y es: donde: 0&lt;x&lt;\u221e , 0&lt;y&lt;\u221e \\ a)&nbsp;&nbsp;&nbsp; Verifique que es una funci\u00f3n de densidad conjunta b)&nbsp;&nbsp;&nbsp; Determine las funciones de densidad marginal c)&nbsp;&nbsp;&nbsp;&nbsp; Encuentre la Covarianza(X, Y) R\u00fabrica: literal a y b (7 puntos), literal c [&hellip;]<\/p>\n","protected":false},"author":8043,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"wp-custom-template-entrada-stp-ejercicios","format":"standard","meta":{"footnotes":""},"categories":[212],"tags":[],"class_list":["post-1468","post","type-post","status-publish","format-standard","hentry","category-stp-3eva"],"_links":{"self":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/1468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/users\/8043"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/comments?post=1468"}],"version-history":[{"count":3,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/1468\/revisions"}],"predecessor-version":[{"id":22659,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/1468\/revisions\/22659"}],"wp:attachment":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/media?parent=1468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/categories?post=1468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/tags?post=1468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}