Question: QUESTION 2 A) Explain carefully, how redundancy improves product reliability B) Ten high-intensity bulbs are tested for 100 hours each. One failed at 40 hours;

QUESTION 2 A) Explain carefully, how redundancy

QUESTION 2 A) Explain carefully, how redundancy improves product reliability B) Ten high-intensity bulbs are tested for 100 hours each. One failed at 40 hours; another failed at 70 hours; all others completed the test. Calculate FR(%), FR(N), and MTBF C) A system has four components in a series. What is the reliability of the system? (2 marks) Component 1 2 3 4 Reliability .90 .95 .78 .99 D) Holmwood 86ers Group's computer system has been down several times over the past few months, as shown below. Number of breakdowns 0 1 3 4 Monthly frequency 7 2 6 4 1 2. Each time the system is down, the firm loses an average of $600 in time and service Each time the system is down, the firm loses an average of $600 in time and service expenses. They are considering signing a contract for preventive maintenance. With preventive maintenance, the system would be down on average only 0.6 per month. The monthly cost of preventive maintenance would be $350 a month. Which is cheaper, breakdown or preventive maintenance

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