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* Rella Question 3 (20pts): An escalator in a shopping mall has a normally distributed failure life with a the 100.000 cycles and standard deviation

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* Rella Question 3 (20pts): An escalator in a shopping mall has a normally distributed failure life with a the 100.000 cycles and standard deviation of 25.000 cycles. a) Find the reliability if the escalator is replaced in every 75.000 cycles b) What is the design life cycle for a reliability of 0,95? c) Compute the reliability for another 75.000 cycles if it is known that the escalator has first 50.000 cycles. Comment on your result by comparing to part a

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