The weighted mean of the random variable is the expected value.
随机变量的加权平均值是期望值。
A random variable is a function that takes values based on a probability distribution.
随机变量是一个根据概率分布取值的函数。
I have it down that there might be an infinite number of possible values for the random variable x.
对于这个随机变量X，可能的取值个数是无限的。
The variance of a random variable measures how far from the expected value its values typically are.
随机变量的方差衡量随机变量值与期望值偏离的程度。
"Those galaxies have no idea that you're there watching them, so it's just some random variable," Strauss says.
“这些星系完全不知道你正在观测它们，所以是一些随机的量，”施特劳斯说。
Wind load is a random variable.
风荷载是一种随机荷载。
An estimator is a random variable.
估计量是一个随机变量。
In the end, it is extended to the continuous random variable.
最后将其推广到连续随机变量。
Kurtosis is a classical measure of non-Gaussianity of random variable.
峭度是随机变量非高斯性的一个经典度量。
The concept of fuzzy random variable-valued convex functions is introduced.
定义了模糊随机变量值凸函数概念，讨论了它的基本性质。
Mathematical expectation is one of the important digital features of random variable.
数学期望是随机变量的重要数字特征之一。
Spatial variability theory is the theory of studying space variability of random variable.
空间变异理论是研究随机变量空间变异性的理论。
In this paper, we study the distribution law of order statistic of discrete type random variable.
本文论述了离散型随机变量的次序统计量的分布律及其有关推论。
The track geometry irregularity is a stable normal distribution and state-history random variable.
轨道几何不平顺为平稳的正态分布和各态历经的随机变量。
Data stream of network is random. Arrival time, length and processing time of data packet are random variable.
网络中的数据流是不确定的，数据包的到达时间、长度和处理时间都是随机变量。
Singular function is an important distribution function of the singular random variable. It is studied widely.
奇异函数是一极为重要的奇异型随机变量的分布函数，被广泛研究。
The random variable properties of total work time in the discrete stochastic manufacture systems are discussed.
并以此对离散随机制造系统总加工时间的随机变量性质进行讨论。
In this paper, we study the symmetry on distribution matrix of order statistic of discrete type random variable.
本文研究了离散型随机变量次序统计量的分布矩阵的对称性，获得了二个定理。
That could be extended to all discrete random variable and vector with the infinited countable distribution series.
并且将它推广到任意具有可数无限分布列的离散型随机变量和随机向量。
This random variable can be derived from a (0, 1) uniformly distributed random variable according to a given distribution.
按照给定的分布，这一随机变量能由(0,1)均匀分布的随机变量加以变换得到。
Indexes of guidance effectiveness were given by treating the detection distance as a random variable in whole guidance stage.
以发现距离作为整个导引阶段的随机变量，提出导引效能指标。
Shanghai stock composite index is treated as a random variable to carry on the forecast and makes the real diagnosis analysis.
将上证综合指数当作一个随机变量进行预测，并作了实证分析。
When the stock leading-time is a random variable, the leading-time and batch cooperation of supplier and buyer are researched.
将采购提前期视为随机变量，研究供需双方的提前期和批量合作。
The paper affirms the stochastic properties of household gas consumption, and then proves a random variable in normal distribution.
本文通过分析确认了居民燃气消耗量的随机性，进而证明其为服从正态分布的随机变量。
A new method which can efficiently and accurately calculate the mean and standard deviation of a dependent random variable is proposed.
对于从属随机变量统计特征的确定，本文介绍了一种精确高效的确定其均值和标准差的方法。
Its main theoretical base is the law of large Numbers in the theory of probability, whose main means is the sampling of random variable.
它的主要理论基础是概率论中的大数定理，其主要手段是随机变量的抽样。
In this paper, the strong, law of large Numbers of B-valued random variable sequences and B-valued eventual martingales are investigated.
本文主要讨论了B值随机元序列的强大数定律与B值终鞅的强大数定律，它们是现有一些结果的补充与推广。
A random variable, such as time in the example above, is associated with properties that are different from those associated with a single value.
随机变量，如上例中的时间，与一些特性相关，这些特性不同于那些与单个值相关的特性。
If you have an experiment and the outcome of the experiment is a number, then a random variable is the number that comes from the experiment.
如果你有一个试验，这个试验的结果是一个数，那么相对应的随机变量，指的就是这个试验结果所对应的那个数。
In this paper, we study the symmetry on distribution matrix of order statistic of discrete type random variable. Therefore, we obtain two theorems.
本文研究了离散型随机变量次序统计量的分布矩阵的对称性，获得了二个定理。
应用推荐