The variance of random variable X is the expected value of squares of difference of X and the expected value μ.σ2 = Var ( X ) = E [(X - μ)2]From the definition of the variance we can getσ2 = Var ( X ) = E(X
The author refers to his early stand by quoting, "Whatever be the detailed nature of his (i.e., an animal's) expectation, its potency will depend on its connections." After discussing various views on interpretation of expectation, the author suggests some observations and experiments to get ...
沪江词库精选variance of a random variable是什么意思、英语单词推荐 随机变量的方差 相似短语 variance of a random variable 随机变量的方差 dispersion of a random variable 随机变量的离差 random variable 随机变量,随机变数 random value variance 随机值变化 variable overhead quantity variance 【经】 ...
2) variance of a random variable 随机变量的方差 例句>> 3) variance of fuzzy random variab 模糊随机变量的方差 1. The basic theory of fuzzy numbers is applied to give the definition of mathematical expectation of fuzzy random variables and variance of fuzzy random variables,and to discuss ...
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The mean and variance of a random variable X having a binomial distribution are 6 and 3 respectively. The probability of variable X less than 2 is View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class...
网络随机变量的方差 网络释义 1. 随机变量的方差 variance的翻译中文意思-在线英汉词典 ...variance of a random variable随机变量的方差variance of distribution 分布方差 ... www.chinabaike.com|基于3个网页 例句
The covariance of random variable X with itself is: (a) 0 (b) The variance of X (c) 1 (d) twice the standard deviation of X Spread of variable: Some very common measures of "spread" are known as "Standard deviation", "variance...
Find variance for the random variable x that has the probability density : f(x)={x20<x<20otherwise a. 19b. 29c. 49d. 59 The Variance of a Random Variable: Assume that the given random variable has the function f(x) as its probability density...
Uncertain random variableChance measureVarianceUncertain random variable is developed to describe the phenomenon which mixes uncertainty with randomness. The variance of uncertain random variable may provide a degree of the spread of the distribution around its expected value. This paper presents a formula...