Question: Question 2: Consider a product that is settled in. Its MTBF distribution has been found to be normal with a mean of 10,000 hours and

Question 2: Consider a product that is "settled

Question 2: Consider a product that is "settled in." Its MTBF distribution has been found to be normal with a mean of 10,000 hours and a standard deviation of 100 hours. Answer the following questions: (a) Calculate the probability of a breakdown before 8,000 hours? (b) Calculate the probability of a breakdown before 9,000 hours? (c) Would you prefer a policy of "preventive maintenance or a policy of breakdown maintenance on this product? Explain your choice. NOTE: A good logical explanation is critical in this discussion

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