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- Title
Comparing Lifetimes of Series and Parallel Systems with Heterogeneous Fréchet Components.
- Authors
Longxiang Fang; Yanqin Wang
- Abstract
In this paper, we discuss stochastic comparisons of lifetimes of series and parallel systems with heterogeneous Fréchet components in terms of the usual stochastic order, reversed hazard rate order and likelihood ratio order. The partial results established here extend some well-known results in the literature of Gupta et al. Specifically, first, we generalize the result of Theorem 2 from the usual stochastic order to the reversed hazard rate order. Second, we generalize the result of Theorem 3 from the reversed hazard rate order to the likelihood ratio order. Last, we generalize the result of Theorem 4 from the hazard rate order to the likelihood ratio order when shape parameter 0 < α ᖄ 1.
- Subjects
FRECHET spaces; STOCHASTIC orders; LIKELIHOOD ratio tests; MATHEMATICAL optimization; SERIES descriptive system; MATHEMATICS theorems
- Publication
Symmetry (20738994), 2017, Vol 9, Issue 1, p10
- ISSN
2073-8994
- Publication type
Article
- DOI
10.3390/sym9010010