You are doing two loads of laundry: one was just put in the washer; the other was simultaneously put in the dryer. You know it takes the dryer between 25 and 40 minutes to completely dry your clothes, and the washer takes between 27 and 37 minutes to complete its cycle. Those distributions are independent and uniform on their respective time intervals. What is the probability the dryer is already done if the washer just finished?