{"id":11033,"date":"2025-07-15T13:34:51","date_gmt":"2025-07-15T13:34:51","guid":{"rendered":"https:\/\/functiontranslator.com\/inv-norm\/"},"modified":"2021-02-25T17:25:23","modified_gmt":"2021-02-25T17:25:23","slug":"norminv","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pt-pt\/norminv\/","title":{"rendered":"INV.NORM"},"content":{"rendered":"<p>Este artigo oferece um guia detalhado sobre como utilizar a fun\u00e7\u00e3o INV.NORM, tamb\u00e9m chamada de NORMINV em ingl\u00eas, tanto no Microsoft Excel quanto no Google Planilhas. Essencial para c\u00e1lculos estat\u00edsticos, essa fun\u00e7\u00e3o retorna o inverso da distribui\u00e7\u00e3o normal acumulada padr\u00e3o. Ela \u00e9 fundamental para determinar valores de uma vari\u00e1vel aleat\u00f3ria em uma distribui\u00e7\u00e3o normal, dadas a m\u00e9dia e o desvio padr\u00e3o da distribui\u00e7\u00e3o, e o percentil especificado.<\/p>\n<h2>Sintaxe da Fun\u00e7\u00e3o<\/h2>\n<p>A fun\u00e7\u00e3o INV.NORM \u00e9 estruturada da seguinte maneira:<\/p>\n<pre><code>=INV.NORM(probabilidade; m\u00e9dia; despad)<\/code><\/pre>\n<ul>\n<li><strong>probabilidade<\/strong> &#8211; O percentil correspondente, na distribui\u00e7\u00e3o normal cumulativa.<\/li>\n<li><strong>m\u00e9dia<\/strong> &#8211; A m\u00e9dia da distribui\u00e7\u00e3o normal.<\/li>\n<li><strong>despad<\/strong> &#8211; O desvio padr\u00e3o da distribui\u00e7\u00e3o normal.<\/li>\n<\/ul>\n<p>Importante: O valor para o argumento &#8216;probabilidade&#8217; deve estar no intervalo entre 0 e 1.<\/p>\n<h2>Exemplos de Uso B\u00e1sico<\/h2>\n<p>Imagine que precisamos determinar o valor Z em uma distribui\u00e7\u00e3o normal padr\u00e3o onde o percentil \u00e9 0.95, a m\u00e9dia \u00e9 100, e o desvio padr\u00e3o \u00e9 15.<\/p>\n<pre><code>=INV.NORM(0.95; 100; 15)<\/code><\/pre>\n<p>O resultado ser\u00e1 o valor de Z que indica o ponto abaixo do qual 95% dos dados de uma distribui\u00e7\u00e3o normal, com m\u00e9dia 100 e desvio padr\u00e3o 15, est\u00e3o situados.<\/p>\n<h2>Aplica\u00e7\u00f5es Pr\u00e1ticas<\/h2>\n<p>A fun\u00e7\u00e3o INV.NORM tem uma gama de usos pr\u00e1ticos em diversos setores. Aqui est\u00e3o algumas exemplos:<\/p>\n<h2>Defini\u00e7\u00e3o de Metas de Desempenho<\/h2>\n<p>Em uma organiza\u00e7\u00e3o, os sal\u00e1rios podem ser ajustados com base na performance, que segue uma distribui\u00e7\u00e3o normal. Imagine que a m\u00e9dia de desempenho seja 100 e o desvio padr\u00e3o 15. Para reajustar o sal\u00e1rio dos colaboradores que est\u00e3o entre os 10% melhores:<\/p>\n<pre><code>=INV.NORM(0.9; 100; 15)<\/code><\/pre>\n<p>Este c\u00e1lculo indica o n\u00edvel de desempenho abaixo do qual se situa 90% dos colaboradores, estabelecendo o limite para o aumento salarial.<\/p>\n<h2>An\u00e1lise de Risco<\/h2>\n<p>Investidores podem utilizar a fun\u00e7\u00e3o INV.NORM para calcular o pior cen\u00e1rio poss\u00edvel (VaR, Value at Risk), assumindo que os retornos dos investimentos s\u00e3o normalmente distribu\u00eddos. Se a m\u00e9dia dos retornos \u00e9 de 5% e o desvio padr\u00e3o \u00e9 de 1.5%, o investidor pode querer determinar o pior cen\u00e1rio de perdas no percentil 5%:<\/p>\n<pre><code>=INV.NORM(0.05; 0.05; 0.015)<\/code><\/pre>\n<p>Este c\u00e1lculo ajuda o investidor a entender e se preparar para potenciais perdas.<\/p>\n<p>Com vastas aplica\u00e7\u00f5es, a fun\u00e7\u00e3o INV.NORM \u00e9 extremamente \u00fatil para modelagem financeira, an\u00e1lise de riscos, gest\u00e3o de recursos humanos e in\u00fameros outros contextos, tornando-a uma ferramenta poderosa tanto no Excel quanto no Google Planilhas.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Devolve o inverso da distribui\u00e7\u00e3o cumulativa normal<\/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-11033","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 NORMINV (INV.NORM) no Excel \u2013 como funciona, exemplos e sintaxe<\/title>\n<meta name=\"description\" content=\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o NORMINV (INV.NORM) do Excel. 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