Question: Calculate the Mean Time Between Failure (MTBF) in months for a system with five components (e.g. Software bugs, for one), call them A, B, C,

Calculate the Mean Time Between Failure (MTBF) in months for a system with five components (e.g. Software bugs, for one), call them A, B, C, D, and E, with expected failure rates for A (22 months); B (37 months); C (18 months); D (61 months); and E (47 months). (Refer to my Lecture on Software Reverse Engineering or the textbook if needed.)

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