Postprint version. Published in Stochastic Models, Volume 22, Issue 2, January 1, 2006, pages 333-339.
Copyright © 2006 Taylor & Francis. This is an electronic version of an article published in Stochastic Models.
Under assumptions compatible with the theory of Markov chains, we use a property of Vandermonde matrices to examine the reliability of an n-component system of production or service.