一類隨機變量加權(quán)和的完全收斂性
[Abstract]:In this paper, we mainly study the complete convergence of the weighted sum (?) aniXi of a class of random variables satisfying the Rosenthal type inequality. In the first chapter, the background of the research and the important applications of weighted sum in statistics and probability are introduced. The emphasis is on the practical significance in statistics. The wide application of weighted sum in probability and statistics makes the study of weighted sum very important. In the second chapter, we introduce a lot of basic knowledge, such as the basic convergence of Rosenthal inequality, complete convergence and so on. We also introduce the relevant Lemma and inequality, and also include some previous research results, and put forward our research direction. It lays a good foundation for the research of this paper. In chapter 3, we discuss the complete convergence of weighted random variables and (?) aniXi under two conditions, and generalize them to a certain extent. In this chapter, the complete convergence of the weighted sum of a class of random variables satisfying the Rosenthal inequality is studied under weaker conditions by means of truncated Rosenthal inequality. The results obtained improve and generalize some of the results in previous literatures.
【學(xué)位授予單位】:河南師范大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:O211.4
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