A certain person encounters three traffic lights when driving to work. Suppose that the following represent the probabilities of the total number of red lights that she has to stop for: P(0 red lights) = 0.14 P(1 red light) = 0.36 P(2 red lights) = 0.34 P(3 red lights) = 0.16 (a) What is the probability that she stops for at least one red light when driving to work? (b)What is the probability that she stops for more than two red lights?
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