4.2.4 A component of a computer has an active life, measured in discrete units, that is a random variable &, where k = 1 Pr{k}= 2 3 4 0.1 0.3 0.2 0.4 Suppose that one starts with a fresh component, and each component is replaced by a new component upon failure. Let X, be the remaining life of the component in service at the end of period n. When X₁ = 0, a new item is placed into service at the start of the next period. (a) Set up the transition probability matrix for {X}. (b) By showing that the chain is regular and solving for the limiting distribution, determine the long run probability that the item in service at the end of a period has no remaining life and therefore will be replaced. (c) Relate this to the mean life of a component.

4.2.4 A component of a computer has an active life, measured in discrete units, that is a random variable &, where k = 1 Pr{k}= 2 3 4 0.1 0.3 0.2 0.4 Suppose that one starts with a fresh component, and each component is replaced by a new component upon failure. Let X, be the remaining life of the component in service at the end of period n. When X₁ = 0, a new item is placed into service at the start of the next period. (a) Set up the transition probability matrix for {X}. (b) By showing that the chain is regular and solving for the limiting distribution, determine the long run probability that the item in service at the end of a period has no remaining life and therefore will be replaced. (c) Relate this to the mean life of a component.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 31E

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