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Extreme Dispersions of Semicoherent and Mixed System Lifetimes
Published online by Cambridge University Press: 30 January 2018
Abstract
We consider semicoherent and mixed systems with exchangeable components. We present sharp lower and upper bounds on various dispersion measures (in particular, variance and median absolute deviation) of the system lifetime, expressed in terms of the system signature and the dispersion of a single component lifetime. We construct joint exchangeable distributions of component lifetimes with two-point marginals which attain the bounds in the limit.
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- © Applied Probability Trust
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