Xavier and Yolanda both have classes that end at noon and
Chapter 15, Problem 15.208(choose chapter or problem)
Xavier and Yolanda both have classes that end at noon and they agree to meet every day after class. They arrive at the coffee shop independently. Xaviers arrival time is and Yolandas arrival time is , where and are measured in minutes after noon. The individual density functions are (Xavier arrives sometime after noon and is more likely to arrive promptly than late. Yolanda always arrives by 12:10 PM and is more likely to arrive late than promptly.) After Yolanda arrives, shell wait for up to half an hour for Xavier, but he wont wait for her. Find the probability that they meet.
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