A system consists of five components, each can be operational or not. Each day one operational component is used and it will fail with probability 20%. Any time there no operational components at the end of a day, maintenance will be performed and all non-operational components will be repaired (with probability 1). The system does not perform any other tasks on the day of repairs. Model the system as a Markov chain Write down equations for determining long-run proportions. Suppose that you are interested in the average number of days that the system is under repair. Explain how you would find it using your model.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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  1. A system consists of five components, each can be operational or not. Each day one operational component is used and it will fail with probability 20%. Any time there no operational components at the end of a day, maintenance will be performed and all non-operational components will be repaired (with probability 1). The system does not perform any other tasks on the day of repairs.

    1. Model the system as a Markov chain

    2. Write down equations for determining long-run proportions.

    3. Suppose that you are interested in the average number of days that the system is under repair. Explain how you would find it using your model. 

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