Question

Let V be the event that a computer contains a virus, and W be the event that a computer contains a worm. Given P(V) = 0.36, P(W) = 0.3, and P(V ∩ W) = 0.05, find P(V ∪ W).

(a) 0.61
(b) 0.65
(c) 0.71
(d) 0.76