Machine Maintenance. A machine can be in two states: "In adjustment " or "out of adjustment". If it is in adjustment, the machine earns revenue at the rate of $200 per day. If the machine is out of adjustment at the start of a day, it is repaired at a cost of $100, which then places it in adjustment. The repair time requires a full day, during which no revenue is earned. The transition matrix is given below. Out of adjustment 0.30 In adjustment Out of adjustment 0 a. What fraction of time in the long run can the machine be expected be in adjustment? Out of adjustment? b. Compute the expected long-run daily revenue earned by the machine. In adjustment 0.70 1

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Machine Maintenance. A machinecan bein twostates: "In adjustment "or "out of
adjustment". If it is in adjustment, themachine earns revenue at therate of $200 per day.
If themachine is out of adjustment at the start of a day, it is repairedat a cost of $100,
which then places it in adjustment. Therepairtimerequires a full day, during which no
revenue is earned. Thetransition matrixisgiven below.
In adjustment
Out of adjustment
In adjustment
Out of adjustment
a. What fraction of timein thelong run can themachine be expectedbe in adjustment?
Out of adjustment?
b. Computethe expectedlong-run daily revenue earnedby themachine.
0.70
0.30
Transcribed Image Text:Machine Maintenance. A machinecan bein twostates: "In adjustment "or "out of adjustment". If it is in adjustment, themachine earns revenue at therate of $200 per day. If themachine is out of adjustment at the start of a day, it is repairedat a cost of $100, which then places it in adjustment. Therepairtimerequires a full day, during which no revenue is earned. Thetransition matrixisgiven below. In adjustment Out of adjustment In adjustment Out of adjustment a. What fraction of timein thelong run can themachine be expectedbe in adjustment? Out of adjustment? b. Computethe expectedlong-run daily revenue earnedby themachine. 0.70 0.30
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