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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.

Sick computers:LetVbe the event that a computer contains a virus, and letW be the event that a computer contains a worm. Suppose=

P(V)0.29, P(W) 0.38P(V)andP(W)0.27

.(a) Find the probability that the computer contains either a virus or a worm or both.

Find the probability that the computer does not contain a virus.

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