Question: Question 3 A component subject to a constant failure rate has a mean time to failure of 13.51 time units. a) Suppose that it takes

Question 3 A component subject to a constant

Question 3 A component subject to a constant failure rate has a mean time to failure of 13.51 time units. a) Suppose that it takes 30 time units to repair this component. How many spare com- ponents (of the same type) are needed for the system to have a reliability of 0.98 throughout the repair period? b) Suppose that 10 identical components are operating simultaneously, and failed com- ponents are replaced in batches according to a maintenance interval. Determine the interval so that the average number of failed components is 2. What is the probability that more than 4 components are failed at a given maintenance visit

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