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Sick computers: Let V be the event that a computer contains a virus, and let...

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Sick computers: Let V be the event that a computer contains a virus, and let W be the event that a computer contains a worm. SupposeP(V)=0.31, P (W)=0.4, P (V and W) = 0.07.(a) Find the probability that the computer contains either a virus or a worm or both.(b) Find the probability that the computer does not contain a worm.

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