英语词汇expected value怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	expected value
释义	expected value noun Mathematics a predicted value of a variable, calculated as the sum of all possible values each multiplied by the probability of its occurrence 【数】期望值。
随便看	Port Mahon portmanteau portmanteau word Port Moresby Port Natal Porto portobello port of call port of entry Port of London Authority Port-of-Spain portolan Porto Novo Port Petrovsk Port Pirie portrait portraitist portraiture portray portrayable portrayal portrayer Port Said Port Salut Portsmouth

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