{"id":22042,"date":"2016-08-24T12:36:57","date_gmt":"2016-08-24T17:36:57","guid":{"rendered":"http:\/\/blog.espol.edu.ec\/estg1003\/?p=934"},"modified":"2026-04-04T11:16:04","modified_gmt":"2026-04-04T16:16:04","slug":"1eva2011tii_t3-bivariadas-valor-esperado","status":"publish","type":"post","link":"https:\/\/blog.espol.edu.ec\/algoritmos101\/stp-evalua\/stp-1eva-fiec\/1eva2011tii_t3-bivariadas-valor-esperado\/","title":{"rendered":"1Eva2011TII_T3 Bivariadas valor esperado"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1ra Evaluaci\u00f3n II T\u00e9rmino 2011-2012. Diciembre 1, 2011. FIEC03236<\/h2>\n\n\n\n<p>Dada la F<sub>XY<\/sub>(x,y) de una bivariable aleatoria:<\/p>\n\n\n\n<span class=\"wp-katex-eq katex-display\" data-display=\"true\"> F_{XY}(x,y) = \\begin{cases} x-1-\\frac{e^{-y}-e^{-xy}}{y} &amp;&amp; , 1 \\leq x \\leq 2, y \\geq 0 \\\\ 1- \\frac{e^{-y}- e^{-2y}}{y} &amp;&amp;, x&gt;2,y \\geq 0 \\\\ 0 &amp;&amp; , \\text{otro valor} \\end{cases} <\/span>\n\n\n\n<p>Determinar:<\/p>\n\n\n\n<p>a) F<sub>X<\/sub>(x), F<sub>Y<\/sub>(y) y graficarlas (10 puntos)<\/p>\n\n\n\n<p>b) f<sub>X<\/sub>(x), f<sub>Y<\/sub>(y) y graficarlas (10 puntos)<\/p>\n\n\n\n<p>c) E[<strong>X<\/strong>], E[<strong>Y<\/strong>] (10 puntos)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1ra Evaluaci\u00f3n II T\u00e9rmino 2011-2012. Diciembre 1, 2011. FIEC03236 Dada la FXY(x,y) de una bivariable aleatoria: Determinar: a) FX(x), FY(y) y graficarlas (10 puntos) b) fX(x), fY(y) y graficarlas (10 puntos) c) E[X], E[Y] (10 puntos)<\/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":[207],"tags":[],"class_list":["post-22042","post","type-post","status-publish","format-standard","hentry","category-stp-1eva-fiec"],"_links":{"self":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/22042","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=22042"}],"version-history":[{"count":3,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/22042\/revisions"}],"predecessor-version":[{"id":22583,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/22042\/revisions\/22583"}],"wp:attachment":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/media?parent=22042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/categories?post=22042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/tags?post=22042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}