Question: 11.20. If all the components considered in Problem 11.19 have the same constant failure rate A, obtain an expression for the reliability R(t) for the

11.20. If all the components considered in Problem 11.19 have the same constant failure rate A, obtain an expression for the reliability R(t) for the system indicated in Fig. 11.12(b). Also find the mean time to failure of this system.

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