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- We studied the random variable sum model and apply it to the survey of profit margin of drugstores. 本文研究了随机变量和模型，并将该模型应用到药店利润率调查中；
- random variable sum model 随机变量和模型
- An estimator is a random variable. 估计量是一个随机变量。
- The expected value of a random variable. 期望值随意可。
- Of or relating to the sum of the frequencies of experimentally determined values of a random variable that are less than or equal to a specified value. 累积的在一个随机变量小于或等于某个固定值的试验中求出频率总数的。
- In the model, shortages are allowed and the backorder rate is a random variable. 存货系统中允许缺货发生且为部分欠拨，欠拨率为一随机变数。
- Do The Function of A Continuous Type of Random Variable Also Belong To One? 连续型随机变量的函数还是连续型随机变量吗?
- The key is the notion of a discrete quantization of a random variable X. 其中的关键是对一个随机变量X进行的离散量化的概念。
- 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。
- In this paper,the optional model on the seasonal order of goods when the demand is a continuous random variable is set up and is simply illustrated in practice according to maximum expected profits. 从供求关系的角度,考虑预期利润最大,建立了需求为连续型随机变量时的阶段性货物订购的优化模型,分别得到了与存贮费用有关、考虑缺货损失以及多阶段订购毋需订购费用时的最优进货量。
- The article uses ambiguous and random method on the foundation of KMV model, through introducing ambiguous and random variable, undertake blurring forecasting to probability of break a contact. 本文在KMV模型的基础上采用模糊随机法,通过引入模糊随机变量,对违约概率进行模糊预测。
- A random variable with a numerical value that is defined on a given sample space. 随机变量在给定的样本空间内定义的，具有一个数值的随机变量
- Property of symmetric random variable is discussed by introducing the concept of almost supremum and infimum. 讨论了具有倒对称随机变量的若干性质.
- Cumulate probability distribution of trials of random variable of bathtub (or M) distribution. 随机变数多次试验结果之累积机率为两极化分布。
- Cumulate probability distribution of trials of random variable of uniform distribution. 随机变数多次试验结果之累积机率为均匀分布。
- The random-fuzzy reliability model was built by taking the bar length, interception parameters as random variables and taking the fuzziness of safety state into consideration. 摘要将弹性连杆机构的杆长、截面尺寸均视为随机变量，并考虑机构安全的极限状态的模糊性，建立了弹性连杆机构广义刚度可靠性分析模型。
- This article’s emphasis studies the random variable using the copula function to describe tail dependence. 本文的重点就是应用copula函数来研究随机变量的尾部相关性的问题。
- Abraham (2002) presented and proved that the envelope of the sum of finite complex random variables, whose amplitude obeys exponential distribution and phase obeys uniform distribution, is K distributed. Abraham(2002)从海底散射的物理现象出发,提出并证明了有限个幅度服从指数分布,相位服从均匀分布的复随机变量之和的模服从K分布。
- Cumulate probability distribution of trials of random variable of normal distribution. 随机变数多次试验结果之累积机率为常态分布。
- The random variables that need to be characterized to model this system stochastically are CUSTOMER-INTERARRIVAL-TIME and TELLER-SERVICE-TIME. 要模拟这个随机过程，需要把“顾客到达间隔”和“出纳员服务时间”描述成随机变量。
