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Question from ECE QE CS Q1 August 2000
Inquiries arrive at a recorded message device according to a Poisson process of rate 15 inquiries per minute. Find the probability that in a 1-minute period, 3 inquiries arrive during the first 10 seconds and 2 inquiries arrive during the last 15 seconds.
Solution 1 (retrived from here)
Solution 2
Write it here.
