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Compound geometric approximation under a failure rate constraint

Published online by Cambridge University Press:  24 October 2016

Fraser Daly*
Affiliation:
Heriot-Watt University
*
*Postal address: Department of Actuarial Mathematics and Statistics and the Maxwell Institute for Mathematical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK. Email address: f.daly@hw.ac.uk

Abstract

We consider compound geometric approximation for a nonnegative, integer-valued random variable W. The bound we give is straightforward but relies on having a lower bound on the failure rate of W. Applications are presented to M/G/1 queuing systems, for which we state explicit bounds in approximations for the number of customers in the system and the number of customers served during a busy period. Other applications are given to birth–death processes and Poisson processes.

Type
Research Papers
Copyright
Copyright © Applied Probability Trust 2016 

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