25. A computer has a large number of components all of which have to be fully working...
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25. A computer has a large number of components all of which have to be fully working and failures have to be replaced to maintain operational efficiency. Past observations have shown the following mortality pattern. If the component is replaced individually, then cost of a single replacement is Rs 20, whereas if all components are replaced concurrently, the cost of a single component is Rs 7. Decide whether it would be worthwhile to have a group replacement policy and, if so, find the optimal replacement frequency.
Mortality Statistics: Observed Number-500 Components
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