{"id":10759,"date":"2025-07-15T13:34:51","date_gmt":"2025-07-15T13:34:51","guid":{"rendered":"https:\/\/functiontranslator.com\/inv-beta\/"},"modified":"2021-02-25T17:14:18","modified_gmt":"2021-02-25T17:14:18","slug":"beta-inv","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pt-pt\/beta-inv\/","title":{"rendered":"INV.BETA"},"content":{"rendered":"<p>A fun\u00e7\u00e3o BETA.INV, tamb\u00e9m chamada INV.BETA em algumas vers\u00f5es, \u00e9 uma importante ferramenta estat\u00edstica no Microsoft Excel e no Google Planilhas. Ela \u00e9 usada para calcular o inverso da distribui\u00e7\u00e3o acumulada beta para uma probabilidade especificada, sendo especialmente \u00fatil em an\u00e1lises estat\u00edsticas que envolvem vari\u00e1veis aleat\u00f3rias com distribui\u00e7\u00e3o beta.<\/p>\n<h2>Sintaxe e Exemplos Pr\u00e1ticos<\/h2>\n<p>A sintaxe da fun\u00e7\u00e3o BETA.INV \u00e9:<\/p>\n<pre><code>BETA.INV(probabilidade; alfa; beta; [A]; [B])<\/code><\/pre>\n<ul>\n<li><strong>probabilidade<\/strong> &#8211; A probabilidade associada com a distribui\u00e7\u00e3o beta invertida. Este valor deve estar entre 0 e 1.<\/li>\n<li><strong>alfa<\/strong> &#8211; O par\u00e2metro alfa da distribui\u00e7\u00e3o, que deve ser maior que 0.<\/li>\n<li><strong>beta<\/strong> &#8211; O par\u00e2metro beta da distribui\u00e7\u00e3o, tamb\u00e9m necessitando ser maior que 0.<\/li>\n<li><strong>[A]<\/strong> &#8211; (Opcional) O limite inferior da distribui\u00e7\u00e3o. Caso n\u00e3o especificado, o valor padr\u00e3o \u00e9 0.<\/li>\n<li><strong>[B]<\/strong> &#8211; (Opcional) O limite superior da distribui\u00e7\u00e3o. O valor padr\u00e3o \u00e9 1 se n\u00e3o fornecido.<\/li>\n<\/ul>\n<p>Exemplo de uso:<\/p>\n<pre><code>=BETA.INV(0.5; 2; 3; 0; 1)<\/code><\/pre>\n<p>Este exemplo calcula o valor mediano da distribui\u00e7\u00e3o beta onde alfa \u00e9 2 e beta \u00e9 3, com limites de 0 a 1. Este resultado representa uma medida de tend\u00eancia central para esta distribui\u00e7\u00e3o espec\u00edfica.<\/p>\n<h2>Aplica\u00e7\u00f5es Pr\u00e1ticas<\/h2>\n<h2>Estudo dos Efeitos de Um Novo Medicamento<\/h2>\n<p>Considere um novo medicamento em teste, onde os pesquisadores desejam saber em que percentil 80% dos pacientes respondem positivamente. Se os resultados seguem uma distribui\u00e7\u00e3o beta com par\u00e2metros alfa = 5 e beta = 3:<\/p>\n<pre><code>=BETA.INV(0.8; 5; 3; 0; 1)<\/code><\/pre>\n<p>Este c\u00e1lculo apontaria para o valor na distribui\u00e7\u00e3o beta onde 80% dos resultados se acumulam at\u00e9 aquele ponto, oferecendo uma estimativa da efic\u00e1cia do tratamento.<\/p>\n<h2>An\u00e1lise de Satisfa\u00e7\u00e3o de Clientes<\/h2>\n<p>Uma empresa interessada em avaliar a satisfa\u00e7\u00e3o dos clientes pode usar dados de uma pesquisa que varia de 0 a 10. Se a distribui\u00e7\u00e3o desses dados se aproxima de uma forma beta e eles desejam saber o limite superior para 90% dos clientes, poderiam usar:<\/p>\n<pre><code>=BETA.INV(0.9; 2.5; 5; 0; 10)<\/code><\/pre>\n<p>Esse c\u00e1lculo indicaria o ponto abaixo do qual apenas 10% dos clientes classificaram, provendo uma vis\u00e3o sobre o n\u00edvel de satisfa\u00e7\u00e3o da maioria.<\/p>\n<p>Assim, a fun\u00e7\u00e3o BETA.INV permite que organiza\u00e7\u00f5es e pesquisadores extraiam insights significativos sobre dados que seguem uma distribui\u00e7\u00e3o beta, aplicando essas informa\u00e7\u00f5es de maneira pr\u00e1tica na tomada de decis\u00f5es.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Devolve o inverso da fun\u00e7\u00e3o de distribui\u00e7\u00e3o cumulativa relativamente a uma distribui\u00e7\u00e3o beta espec\u00edfica<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[442],"tags":[],"class_list":["post-10759","post","type-post","status-publish","format-standard","hentry","category-estatistica"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fun\u00e7\u00e3o BETA.INV (INV.BETA) no Excel \u2013 como funciona, exemplos e sintaxe<\/title>\n<meta name=\"description\" content=\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o BETA.INV (INV.BETA) do Excel. 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