A fast-food manager wishes to provide prompt service for customers at the restaurant's drive-up window. The restaurant c

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A fast-food manager wishes to provide prompt service for customers at the restaurant's drive-up window. The restaurant c

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A Fast Food Manager Wishes To Provide Prompt Service For Customers At The Restaurant S Drive Up Window The Restaurant C 1
A Fast Food Manager Wishes To Provide Prompt Service For Customers At The Restaurant S Drive Up Window The Restaurant C 1 (39.21 KiB) Viewed 90 times
If you could please answer the questions with excelformulas.
Thanks
A fast-food manager wishes to provide prompt service for customers at the restaurant's drive-up window. The restaurant currently can serve up to 10 customers per 15-minute period without significant delay. The average arrival rate is 7 customers per 15-minute period. Let x denote the number of customers arriving per 15-minute period. Assume x has a Poisson distribution. Average arrivale rate per 15-minute period: 7 Required: a) Find the probability that 10 customers will arrive in a particular 15-minute period. b) Find the probability that 10 or fewer customers will arrive in a particular 15-minute period. c) Find the probability that there will be a significant delay at the drive-up window.
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