{"id":235,"date":"2023-08-03T19:36:43","date_gmt":"2023-08-03T19:36:43","guid":{"rendered":"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/"},"modified":"2023-08-03T19:36:43","modified_gmt":"2023-08-03T19:36:43","slug":"distribuicao-exponencial-1","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/","title":{"rendered":"Distribui\u00e7\u00e3o exponencial"},"content":{"rendered":"<p>Este artigo explica o que \u00e9 a distribui\u00e7\u00e3o exponencial nas estat\u00edsticas e para que ela \u00e9 usada. Da mesma forma, voc\u00ea encontrar\u00e1 quais s\u00e3o as propriedades da distribui\u00e7\u00e3o exponencial bem como suas f\u00f3rmulas, seu gr\u00e1fico e um exerc\u00edcio resolvido. Al\u00e9m disso, voc\u00ea poder\u00e1 calcular qualquer probabilidade com uma calculadora online de distribui\u00e7\u00e3o exponencial. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-la-distribucion-exponencial\"><\/span> O que \u00e9 distribui\u00e7\u00e3o exponencial?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> A <strong>distribui\u00e7\u00e3o exponencial<\/strong> \u00e9 uma distribui\u00e7\u00e3o de probabilidade cont\u00ednua usada para modelar o tempo de espera para a ocorr\u00eancia de um fen\u00f4meno aleat\u00f3rio.<\/p>\n<p> Mais precisamente, a distribui\u00e7\u00e3o exponencial permite descrever o tempo de espera entre dois eventos que segue uma distribui\u00e7\u00e3o de Poisson. Portanto, a distribui\u00e7\u00e3o exponencial est\u00e1 intimamente relacionada com a distribui\u00e7\u00e3o de Poisson. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 20px; padding-left: 30px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>Veja:<\/strong> <a href=\"https:\/\/statorials.org\/pt\/lei-dos-peixes\/\">Qual \u00e9 a distribui\u00e7\u00e3o de Poisson?<\/a><\/div>\n<p> A distribui\u00e7\u00e3o exponencial possui um par\u00e2metro caracter\u00edstico, representado pela letra grega \u03bb e indica o n\u00famero de vezes que se espera que o evento estudado ocorra durante um determinado per\u00edodo de tempo.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-05fa833356caeb193384f780ae4edac1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\\sim \\text{Exp}(\\lambda)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"94\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Da mesma forma, a distribui\u00e7\u00e3o exponencial tamb\u00e9m \u00e9 usada para modelar o tempo at\u00e9 que ocorra uma falha. A distribui\u00e7\u00e3o exponencial, portanto, tem diversas aplica\u00e7\u00f5es na teoria da confiabilidade e da sobreviv\u00eancia. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplos-de-distribuciones-exponenciales\"><\/span> Exemplos de distribui\u00e7\u00f5es exponenciais<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Agora que conhecemos a defini\u00e7\u00e3o de distribui\u00e7\u00e3o exponencial, vejamos v\u00e1rios exemplos desse tipo de distribui\u00e7\u00e3o para entender melhor o conceito.<\/p>\n<p> <strong><u style=\"text-decoration-color:#FF8A05\">Exemplos de distribui\u00e7\u00e3o exponencial:<\/u><\/strong><\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">O tempo decorrido entre duas chamadas em uma central de atendimento.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">O tempo que uma pessoa tem que esperar at\u00e9 que um t\u00e1xi gratuito passe em uma rua espec\u00edfica.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">O tempo de espera at\u00e9 que um novo cliente entre em uma loja.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">O tempo decorrido entre dois usu\u00e1rios diferentes entrando em uma p\u00e1gina da web.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">Tempo decorrido num aeroporto entre a decolagem de um avi\u00e3o e a sa\u00edda de outro.<\/span> <\/li>\n<\/ol>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"formula-de-la-distribucion-exponencial\"><\/span> F\u00f3rmula de distribui\u00e7\u00e3o exponencial<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> A f\u00f3rmula da fun\u00e7\u00e3o densidade que define o c\u00e1lculo de uma distribui\u00e7\u00e3o de probabilidade exponencial \u00e9 igual a \u03bb multiplicado pelo n\u00famero e elevado \u00e0 pot\u00eancia de \u03bb negativo vezes x.<\/p>\n<p> Em outras palavras, a <strong>f\u00f3rmula para calcular uma probabilidade de distribui\u00e7\u00e3o exponencial<\/strong> \u00e9 a seguinte: <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/formule-de-distribution-exponentielle.png\" alt=\"f\u00f3rmula de distribui\u00e7\u00e3o exponencial\" class=\"wp-image-4891\" width=\"252\" height=\"252\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \ud83d\udc49 <u style=\"text-decoration-color:#FF8A05;\">Voc\u00ea pode usar a calculadora abaixo para calcular a probabilidade de uma vari\u00e1vel que segue a distribui\u00e7\u00e3o exponencial.<\/u><\/p>\n<p> Por outro lado, a f\u00f3rmula para calcular uma probabilidade cumulativa da distribui\u00e7\u00e3o exponencial \u00e9 a seguinte: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ff4b15c1307aa0187d806d3aa9c394d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P[X\\leq x]=1-e^{-\\lambda x}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"163\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"grafica-de-la-distribucion-exponencial\"><\/span> Gr\u00e1fico de distribui\u00e7\u00e3o exponencial<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Nesta se\u00e7\u00e3o voc\u00ea pode ver a representa\u00e7\u00e3o gr\u00e1fica da fun\u00e7\u00e3o densidade e da fun\u00e7\u00e3o distribui\u00e7\u00e3o da distribui\u00e7\u00e3o exponencial.<\/p>\n<p> Abaixo voc\u00ea pode ver como o gr\u00e1fico da fun\u00e7\u00e3o densidade da distribui\u00e7\u00e3o exponencial varia em fun\u00e7\u00e3o do valor do par\u00e2metro \u03bb. <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/distribution-graphique-exponentielle.png\" alt=\"gr\u00e1fico de distribui\u00e7\u00e3o exponencial\" class=\"wp-image-4897\" width=\"604\" height=\"394\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Da mesma forma, a fun\u00e7\u00e3o de probabilidade cumulativa da distribui\u00e7\u00e3o exponencial tamb\u00e9m depende do valor do par\u00e2metro \u03bb, como voc\u00ea pode ver no gr\u00e1fico a seguir: <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/distribution-exponentielle-probabilite-cumulative.png\" alt=\"gr\u00e1fico de probabilidade de distribui\u00e7\u00e3o cumulativa exponencial\" class=\"wp-image-4898\" width=\"604\" height=\"395\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicio-resuelto-de-la-distribucion-exponencial\"><\/span> Exerc\u00edcio resolvido sobre distribui\u00e7\u00e3o exponencial<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li> Em m\u00e9dia, \u03bb=1 usu\u00e1rios\/min acessam uma p\u00e1gina da web espec\u00edfica. Qual \u00e9 a probabilidade de que o tempo entre a entrada de dois usu\u00e1rios seja de 3 minutos? E a probabilidade de ser igual ou inferior a 2 minutos?<\/li>\n<\/ul>\n<p> A distribui\u00e7\u00e3o que define a vari\u00e1vel aleat\u00f3ria deste problema \u00e9 uma distribui\u00e7\u00e3o exponencial, pois estudamos o tempo que passa desde o momento em que ocorre um evento (a entrada de um usu\u00e1rio na p\u00e1gina web) at\u00e9 que esse mesmo evento aconte\u00e7a novamente.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a843576c35aa4a4062a40dfed3da7ffe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\\sim \\text{Exp}(1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"93\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Portanto, para calcular a probabilidade de o tempo decorrido entre a entrada de dois usu\u00e1rios diferentes ser de tr\u00eas minutos, precisamos aplicar a f\u00f3rmula da fun\u00e7\u00e3o densidade (ver acima):<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-4eb2d6e5190f313d74831763613683ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}P[X=x]&amp;=\\lambda e^{-\\lambda x}\\\\[2ex]P[X=3]&amp;=1\\cdot e^{-1\\cdot 3}\\\\[2ex]P[X=3]&amp;=0,05\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"156\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Por outro lado, para determinar uma probabilidade cumulativa, devemos usar a f\u00f3rmula da fun\u00e7\u00e3o de distribui\u00e7\u00e3o da distribui\u00e7\u00e3o exponencial: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5ff6ef636fd31aec708b387669a68b93_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}P[X\\leq x]&amp;=1- e^{-\\lambda x}\\\\[2ex]P[X\\leq 2]&amp;=1-e^{-1\\cdot 2}\\\\[2ex]P[X\\leq 2]&amp;=0,86\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"165\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"caracteristicas-de-la-distribucion-exponencial\"><\/span> Caracter\u00edsticas da distribui\u00e7\u00e3o exponencial<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> A distribui\u00e7\u00e3o exponencial tem as seguintes caracter\u00edsticas:<\/p>\n<ul>\n<li> A distribui\u00e7\u00e3o exponencial possui um par\u00e2metro caracter\u00edstico, \u03bb, que indica o n\u00famero de vezes que se espera que o fen\u00f4meno estudado ocorra durante um determinado per\u00edodo de tempo.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-05fa833356caeb193384f780ae4edac1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\\sim \\text{Exp}(\\lambda)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"94\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> A distribui\u00e7\u00e3o exponencial n\u00e3o pode assumir um valor negativo, portanto o dom\u00ednio da distribui\u00e7\u00e3o exponencial consiste em todos os n\u00fameros reais maiores ou iguais a zero.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-857b41e1aa6e3fc962595eabd52a18e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\\in [0,+\\infty)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"91\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> A m\u00e9dia da distribui\u00e7\u00e3o exponencial \u00e9 igual a um dividido pelo par\u00e2metro caracter\u00edstico \u03bb.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-6a805fe49674e7a84b44057fbd17dfe4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"E[X]=\\cfrac{1}{\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"77\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<ul>\n<li> A vari\u00e2ncia da distribui\u00e7\u00e3o exponencial \u00e9 o quadrado de sua m\u00e9dia, portanto a vari\u00e2ncia da distribui\u00e7\u00e3o exponencial \u00e9 equivalente a um sobre o coeficiente \u03bb ao quadrado.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-d3e1c6b567a5c0c7f78d58da0920163f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=\\cfrac{1}{\\lambda^2 }\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"107\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<ul>\n<li> Qualquer que seja o valor de \u03bb, o coeficiente de assimetria da distribui\u00e7\u00e3o exponencial \u00e9 sempre igual a 2.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-43776536b020abda26e5455770a96cfb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A=2\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"45\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li> Da mesma forma, o coeficiente de curtose de qualquer distribui\u00e7\u00e3o exponencial \u00e9 sempre equivalente a 9.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a42692dc0052ffa4b4f5b962b9b7ee8b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C=9\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li> A f\u00f3rmula para a fun\u00e7\u00e3o densidade da distribui\u00e7\u00e3o exponencial \u00e9:<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-1fbbfe61ec775833503ec58212783f3f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P[X=x]=\\lambda e^{-\\lambda x}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"142\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> Embora a f\u00f3rmula para a fun\u00e7\u00e3o de probabilidade cumulativa da distribui\u00e7\u00e3o exponencial seja a seguinte:<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ff4b15c1307aa0187d806d3aa9c394d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P[X\\leq x]=1-e^{-\\lambda x}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"163\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> A distribui\u00e7\u00e3o exponencial \u00e9 uma das poucas distribui\u00e7\u00f5es de probabilidade com a propriedade de falta de mem\u00f3ria. Esta propriedade significa que a ocorr\u00eancia de um evento anterior n\u00e3o afeta a probabilidade desse evento ocorrer no futuro. Por exemplo, em uma distribui\u00e7\u00e3o exponencial, a probabilidade de um novo usu\u00e1rio acessar uma p\u00e1gina da Web em menos de um minuto n\u00e3o depende de o usu\u00e1rio ter acabado de entrar ou de nenhum usu\u00e1rio ter entrado desde ent\u00e3o. mais de dez minutos. <\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-6f7c755e5b48eb203c51c97d7bc7ec7d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P[X>x+y|X>y]=P[X>x]&#8221; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;19&#8243; width=&#8221;254&#8243; style=&#8221;vertical-align: -5px;&#8221;><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"calculadora-de-la-distribucion-exponencial\"><\/span> Calculadora de distribui\u00e7\u00e3o exponencial<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Insira o valor do par\u00e2metro <em>\u03bb<\/em> e o valor de <em>x<\/em> na calculadora a seguir para calcular a probabilidade. Voc\u00ea precisa selecionar a probabilidade que deseja calcular e inserir os n\u00fameros usando o ponto como separador decimal, por exemplo 0,50.<\/p>\n<form action=\"\" method=\"post\">\n<div style=\"margin-bottom:20px; margin-left:5%\"> <span style=\"color:#101010;font-weight: normal;\"><span style=\"color:#1C2C92\"><strong>\u27a4<\/strong><\/span> Par\u00e2metro da distribui\u00e7\u00e3o exponencial <span style=\"color:#1C2C92\"><strong>\u2192<\/strong><\/span><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-f682847720652fc976a036d9b8779f83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda = \" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"28\" style=\"vertical-align: 0px;\"><\/p>\n<p><\/span> <input name=\"lambda\" style=\"border:1.5px solid #4FC3F7; border-radius:5px;  padding:7px; color:#000000; background-color:#EBF5FB; width:60px\" required=\"\" oninvalid=\"this.setCustomValidity('Introduce el valor del par\u00e1metro \u03bb aqu\u00ed')\" oninput=\"this.setCustomValidity('')\"><\/div>\n<div style=\"margin-bottom:14px; margin-left:5%\"> <span style=\"color:#1C2C92\"><strong>\u27a4<\/strong><\/span> Probabilidade de calcular: <\/div>\n<div style=\"margin-bottom:14px; margin-left:10%\"><input name=\"tipoprobabilidad\" type=\"radio\" checked=\"\" value=\"probigual\"><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-95a78799e4906daa08ea620a942c61bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X=\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"34\" style=\"vertical-align: 0px;\"><\/p>\n<p><input name=\"xigual\" style=\"border:1.5px solid #4FC3F7; border-radius:5px;  padding:7px; color:#000000; background-color:#EBF5FB; width:60px\"><\/div>\n<div style=\"margin-bottom:14px; margin-left:10%\"><input name=\"tipoprobabilidad\" type=\"radio\" value=\"probcolaizquierda\"><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-305e8313d9decdf3d650c7f6898a8430_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\\leq\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"34\" style=\"vertical-align: -3px;\"><\/p>\n<p><input name=\"xmenor\" style=\"border:1.5px solid #4FC3F7; border-radius:5px;  padding:7px; color:#000000; background-color:#EBF5FB; width:60px\"><\/div>\n<div style=\"margin-bottom:14px; margin-left:10%\"><input name=\"tipoprobabilidad\" type=\"radio\" value=\"probcoladerecha\"><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a8500b9856a735bc31ea1a371fc0fe88_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\\geq\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"34\" style=\"vertical-align: -3px;\"><\/p>\n<p><input name=\"xmayor\" style=\"border:1.5px solid #4FC3F7; border-radius:5px;  padding:7px; color:#000000; background-color:#EBF5FB; width:60px\"><\/div>\n<div style=\"margin-bottom:14px; margin-left:10%\"><input name=\"tipoprobabilidad\" type=\"radio\" value=\"probentre\"><input name=\"xentre1\" style=\"border:1.5px solid #4FC3F7; border-radius:5px;  padding:7px; color:#000000; background-color:#EBF5FB; width:60px\"><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a4459b2c5c9a9dd4efd3c3c155cb80bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\leq X\\leq \" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"52\" style=\"vertical-align: -3px;\"><\/p>\n<p><input name=\"xentre2\" style=\"border:1.5px solid #4FC3F7; border-radius:5px;  padding:7px; color:#000000; background-color:#EBF5FB; width:60px\"><\/div>\n<div style=\"text-align:center\"><input align=\"center\" style=\"border-radius:30px; margin: 20px\" type=\"submit\" name=\"submit\" value=\"Calcule a probabilidade\"><\/div>\n<\/form>\n","protected":false},"excerpt":{"rendered":"<p>Este artigo explica o que \u00e9 a distribui\u00e7\u00e3o exponencial nas estat\u00edsticas e para que ela \u00e9 usada. Da mesma forma, voc\u00ea encontrar\u00e1 quais s\u00e3o as propriedades da distribui\u00e7\u00e3o exponencial bem como suas f\u00f3rmulas, seu gr\u00e1fico e um exerc\u00edcio resolvido. Al\u00e9m disso, voc\u00ea poder\u00e1 calcular qualquer probabilidade com uma calculadora online de distribui\u00e7\u00e3o exponencial. O que [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-235","post","type-post","status-publish","format-standard","hentry","category-probabilidade"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 Distribui\u00e7\u00e3o exponencial<\/title>\n<meta name=\"description\" content=\"Aqui voc\u00ea encontrar\u00e1 o que \u00e9 uma distribui\u00e7\u00e3o exponencial, suas caracter\u00edsticas, f\u00f3rmula, exemplos e calculadora de distribui\u00e7\u00e3o exponencial.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u25b7 Distribui\u00e7\u00e3o exponencial\" \/>\n<meta property=\"og:description\" content=\"Aqui voc\u00ea encontrar\u00e1 o que \u00e9 uma distribui\u00e7\u00e3o exponencial, suas caracter\u00edsticas, f\u00f3rmula, exemplos e calculadora de distribui\u00e7\u00e3o exponencial.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-03T19:36:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-05fa833356caeb193384f780ae4edac1_l3.png\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/\",\"url\":\"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/\",\"name\":\"\u25b7 Distribui\u00e7\u00e3o exponencial\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-08-03T19:36:43+00:00\",\"dateModified\":\"2023-08-03T19:36:43+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Aqui voc\u00ea encontrar\u00e1 o que \u00e9 uma distribui\u00e7\u00e3o exponencial, suas caracter\u00edsticas, f\u00f3rmula, exemplos e calculadora de distribui\u00e7\u00e3o exponencial.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/distribuicao-exponencial-1\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Distribui\u00e7\u00e3o exponencial\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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