نتایج جستجو برای: random variable

تعداد نتایج: 526080  

Journal: :Filomat 2022

The aim of this paper is to study a dimorphic property associated with two different sums identically independent Bernoulli random variables having families probability mass functions. In addition, we give expressions on products degenerate Stirling numbers the second kind and first connected those variables.

Journal: :Communications in Statistics - Theory and Methods 2020

Journal: :int. journal of mining & geo-engineering 2015
farnoosh basaligheh ali keyhani

one of the conventional methods for temporary support of tunnels is to use steel sets with shotcrete. the nature of a temporary support system demands a quick installation of its structures. as a result, the spacing between steel sets is not a fixed amount and it can be considered as a random variable. hence, in the reliability analysis of these types of structures, the selection of an appropri...

Journal: :bulletin of the iranian mathematical society 2011
m. tavangar m. asadi

2007
Arnold F. Shapiro

A fuzzy random variable (FRV) has been conceptualized as a vague perception of a crisp but unobservable random variable (RV) and also as a random fuzzy set. Since actuaries seem receptive to these notions of FRV, and there are sources of uncertainty that RVs can not accommodate, but FRVs can, one would expect FRVs to be a component of the actuarial arsenal, but generally this is not the case. A...

2006
Marco Sandri Paola Zuccolotto

One of the main topic in the development of predictive models is the identification of variables which are predictors of a given outcome. Automated model selection methods, such as backward or forward stepwise regression, are classical solutions to this problem, but are generally based on strong assumptions about the functional form of the model or the distribution of residuals. In this paper a...

Journal: :Journal of Applied Mathematics and Stochastic Analysis 2004

Journal: :Missouri Journal of Mathematical Sciences 1993

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