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31. You walk to the bus stop not knowing when the next bus will come. The time you have to wait follows a uniform distribution from 0 to 7 minutes. What proportion of the time will you have to wait less than one minute or more than five minutes for the bus to come? (A) 0.5714 (B) 0.1892 (C) 0.4286 (D) 0.2857 (E) 0.3640 14