Convergence of weighted sums of independent random variables

Convergence of weighted sums of independent random variables
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独立随机变量加权和的收敛

DOI:
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发表时间:
1971
影响因子:
0.8
通讯作者:
V. Rohatgi
V. Rohatgi
中科院分区:
数学2区
文献类型:
--
作者:
V. Rohatgi

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1.导论.设{Xk:k ≥ 1}是独立但不一定同分布的随机变量序列。假设随机变量Xn被一个随机变量X一致有界,在这个意义上,(1)P(|Xn| x = 0(|X|对于所有x > 0。10. A(x)= 0(|Xn|(1)x = 0,x = 0(|X| ≥ x)。
1. Introduction. Let {Xk: k ≥ 1} be a sequence of independent, but not necessarily identically distributed, random variables. Suppose that the random variables Xn are uniformly bounded by a random variable X in the sense that (1) P(|Xn| ≥x) ≤ P(|X| ≥ x)for all x > 0. Write qn(x) = P(|Xn| ≥ x) and q(x) = P(|X| ≥ x).