期望值 導覽選單改善下呢篇文改改呢篇文
維基百科清理
in
期望值
Jump to navigation
Jump to search
 | 呢篇文可能要清理或重寫，以符合維基百科更高嘅質量標準。 如果你做得到，可以改善下呢篇文。 |
 | 呢篇文（或呢段）要按維基百科格式，以達到維基百科嘅品質標準。 麻煩幫手改改呢篇文，特別係啲分段同埋相關嘅連結。（幫下我） |
統計學上，期望值(expected value)，又叫平均，係個亂變值同佢嘅或然率x埋（或者 in 埋）例如: 擲公字，公嘅比率係50%，如果擲到公有10分，期望值就係 5分
屬於1類:
- 維基百科清理
(RLQ=window.RLQ||[]).push(function()mw.config.set("wgPageParseReport":"limitreport":"cputime":"0.044","walltime":"0.076","ppvisitednodes":"value":55,"limit":1000000,"ppgeneratednodes":"value":0,"limit":1500000,"postexpandincludesize":"value":4236,"limit":2097152,"templateargumentsize":"value":0,"limit":2097152,"expansiondepth":"value":5,"limit":40,"expensivefunctioncount":"value":0,"limit":500,"unstrip-depth":"value":0,"limit":20,"unstrip-size":"value":0,"limit":5000000,"entityaccesscount":"value":0,"limit":400,"timingprofile":["100.00% 57.882 1 -total"," 87.83% 50.836 1 Template:Cleanup"," 82.90% 47.982 2 Template:Ambox"," 12.05% 6.973 1 Template:Wikify"],"scribunto":"limitreport-timeusage":"value":"0.018","limit":"10.000","limitreport-memusage":"value":798521,"limit":52428800,"cachereport":"origin":"mw1248","timestamp":"20190721070652","ttl":2592000,"transientcontent":false););"@context":"https://schema.org","@type":"Article","name":"u671fu671bu503c","url":"https://zh-yue.wikipedia.org/wiki/%E6%9C%9F%E6%9C%9B%E5%80%BC","sameAs":"http://www.wikidata.org/entity/Q200125","mainEntity":"http://www.wikidata.org/entity/Q200125","author":"@type":"Organization","name":"Contributors to Wikimedia projects","publisher":"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":"@type":"ImageObject","url":"https://www.wikimedia.org/static/images/wmf-hor-googpub.png","datePublished":"2009-04-22T17:13:28Z","dateModified":"2013-04-24T02:39:38Z"(RLQ=window.RLQ||[]).push(function()mw.config.set("wgBackendResponseTime":99,"wgHostname":"mw1325"););
