Solved: The manager of a fast-food restaurant determines that the average time that her
Chapter 8, Problem 8.5.11(choose chapter or problem)
The manager of a fast-food restaurant determines that the average time that her customers wait for service is 2.5 minutes. (a) Find the probability that a customer has to wait more than 4 minutes. (b) Find the probability that a customer is served within the first 2 minutes. (c) The manager wants to advertise that anybody who isnt served within a certain number of minutes gets a free hamburger. But she doesnt want to give away free hamburgers to more than 2% of her customers. What should the advertisement say?
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