Answer to an open problem on mean residual life ordering of parallel systems under multiple-outlier exponential models

Jiantian Wang and Bin Cheng

Statistics & Probability Letters, 2017, vol. 130, issue C, 80-84

Abstract: In a comprehensive survey on stochastic comparison, Balakrishnan and Zhao (2013) proposed an open problem on mean residual life ordering between two parallel systems under multiple-outlier exponential models. This paper provides an affirmative answer to this open problem.

Keywords: Reciprocal order; Mean residual life order; Stochastic comparison; Lifetime; Order statistics (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1016/j.spl.2017.07.013

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