Q4 (8 marks)Julie passes through one traffic light on her daily commute to work.The light is set up on a oneminute cycle:Red for 30 seconds,followed by Yellow for 5 seconds,followed by Green for 25 seconds (and thecycle restarts).Each time Julie is exactly 10 meters from the light she decides whether or not to brake (shebrakes if the light is red or yellow,and does not brake if the light is green).a)What are the probabilities of the different light colours at the point Julie makes her decision whetheror not to brake next Monday?b)What is the probability that she doesn’t break?c)What is the probability she will break at the light for each of the next 3 consecutive workdays?
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