Q1: A store selling newspapers only orders n=4 of a certain newspaper because the manager does not get many calls for that publication. If the number of requests per day follows a Poisson distribution with mean three, (a) What is the excepted value of the number sold? Answer：2.681 Q2: An airline always overbooks, if possible. A particular plane has 95 seats on a flight in which a ticket sells for $300. The airline sells 100 such tickets for this flight. (a) If the airline must return the $300 price plus a penalty of $400 to each passenger that cannot get on the flight, what is the expected payout(penalty plus ticket refund) that the airline will pay? Answer:$ 598.56 using binomial, $ 613.90 using Poisson approximation Please write Computation process! Thanks a lot! --

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