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Question: a device contains two components the device fails if either...

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A device contains two components. The device fails if either component fails. The joint density function of the lifetimes of the components, measured in hours, is f(s,t) where 0<8<1 and 0<t<1. What is the probability that the device fails during the first half hour of operation? A 55 (s, t)dsdt 0.5 c0.5 1 c0.5 0.5 J0.5 0.5 c1 1 c0.5 0.5 r1 1 c0.5

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