{"id":6933,"date":"2011-09-27T00:42:06","date_gmt":"2011-09-26T23:42:06","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=6933"},"modified":"2022-01-07T22:50:10","modified_gmt":"2022-01-07T22:50:10","slug":"escolheu-se-ao-acaso-um-numero","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=6933","title":{"rendered":"Escolheu-se ao acaso um n\u00famero"},"content":{"rendered":"<p><ul id='GTTabs_ul_6933' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_6933' class='GTTabs_curr'><a  id=\"6933_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_6933' ><a  id=\"6933_1\" onMouseOver=\"GTTabsShowLinks('Resolu\u00e7\u00e3o'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Resolu\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n\n<div class='GTTabs_divs GTTabs_curr_div' id='GTTabs_0_6933'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>Escolheu-se ao acaso um n\u00famero entre 1 e 11 (exclusive).<\/p>\n<p>Qual \u00e9 a probabilidade de escolher um n\u00famero \u00edmpar?<\/p>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_6933' onClick='GTTabs_show(1,6933)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_6933'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<p>O conjunto de todos os resultados poss\u00edveis (equiprov\u00e1veis) nesta experi\u00eancia aleat\u00f3ria (espa\u00e7o de resultados) \u00e9: \\[S=\\left\\{ 2,3,4,5,6,7,8,9,10 \\right\\}\\]<\/p>\n<p>O conjunto dos resultados favor\u00e1veis ao acontecimento X: &#8220;escolher um n\u00famero \u00edmpar&#8221; \u00e9 \\[X=\\left\\{ 3,5,7,9 \\right\\}\\]<\/p>\n<p>Assim:<\/p>\n<ul>\n<li>$NCP=\\#S=9$<\/li>\n<li>$NCF=\\#X=4$<\/li>\n<\/ul>\n<p>Logo, $P(&#8221;escolher\\,\\,um\\,\\,n\\acute{u}mero\\,\\,\\acute{i}mpar&#8221;)=P(X)=\\frac{4}{9}$.<\/p>\n<p>NOTA: $\\#S$ designa o n\u00famero de elementos do conjunto S. (l\u00ea-se: <em>cardinal do conjunto S<\/em>)<\/p><\/p>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_6933' onClick='GTTabs_show(0,6933)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado Escolheu-se ao acaso um n\u00famero entre 1 e 11 (exclusive). Qual \u00e9 a probabilidade de escolher um n\u00famero \u00edmpar? Resolu\u00e7\u00e3o &gt;&gt; Resolu\u00e7\u00e3o &lt;&lt; Enunciado<\/p>\n","protected":false},"author":1,"featured_media":14060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[213,97,214],"tags":[426,217,216,215],"series":[],"class_list":["post-6933","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-9--ano","category-aplicando","category-estatistica-e-probabilidades","tag-9-o-ano","tag-acontecimento","tag-espaco-de-resultados","tag-probabilidade"],"views":2098,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/03\/Mat05.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/6933","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6933"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/6933\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6933"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=6933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}