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Roberto's train runs every 45 minutes. If he arrives at the train stop at a random time, what is the probability that he will have

Roberto's train runs every 45 minutes. If he arrives at the train stop at a random time, what is the probability that he will have to wait at least 30 minutes? Round to the nearest percent.A. 75%B. 67%C. 50%D. 33%

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