亚洲AV成人精品一区二区三区四区|快播日韩美嘛豆一区|国产欧美激情a级免费|一级黄片AAA色一品|久久国产成人精品Av|谁有AV免费观看|成人高清国产视频|日韩区欧美区久久综合一区|在线观看黄色网页|亚洲欧美国产11

單詞乎

expected value

expected value是什么意思、expected value怎么讀

expected value漢語翻譯

【計】 期望值, 期待值
【化】 期望值; 期待值; 統(tǒng)計平均值
【經(jīng)】 預(yù)期值

expected value英語解釋

名詞 expected value:

  1. the sum of the values of a random variable divided by the number of values
    同義詞：arithmetic mean, first moment, expectation

expected value例句

  1. The expected value of a positive integral power of a random variable. The first moment is the mean of the distribution.
    矩，動差任意變量的正整數(shù)功效的期望值。第一個矩是分配的平均數(shù)
0
糾錯