Question: Two electronic components of a missile system work in harmony for the success of the total system. Let X and Y denote the life in

Two electronic components of a missile system work in harmony for the success of the total system. Let X and Y denote the life in hours of the two components. The joint density of X and Y is
(a) Give the marginal density functions for both random variables.
(b) What is the probability that both components will exceed 2 hours?

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