THE LIMITING FAILURE RATE FOR A CONVOLUTION OF LIFE DISTRIBUTIONS

被引:0
作者
Block, Henry W. [1 ]
Langberg, Naftali A. [2 ]
Savits, Thomas H. [1 ]
机构
[1] Univ Pittsburgh, Dept Stat, Pittsburgh, PA 15260 USA
[2] Univ Haifa, Dept Stat, IL-31905 Haifa, Israel
关键词
Reliability; failure rate function; increasing failure rate; decreasing failure rate; convolution; MIXTURES; SYSTEMS; MODELS;
D O I
暂无
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
In this paper we investigate the limiting behavior of the failure rate for the convolution of two or more life distributions. In a previous paper on mixtures, Block, Mi and Savits (1993) showed that the failure rate behaves like the limiting behavior of the strongest component. We show a similar result here for convolutions. We also show by example that unlike a mixture population, the ultimate direction of monotonicity does not necessarily follow that of the strongest component.
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页码:894 / 898
页数:5
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