Suppose vehicles arrive at a signalized road intersection at

Suppose vehicles arrive at a signalized road intersection at an average rate of 360 per hour and the cycle of the traffic light is set at 40 seconds. What would be the probability that the number of vehicles arriving at signal during that cycle be (A) exactly 5, (B) less than 5, (C) no vehicle at all, and (D) more than 3 vehicle?

Solution