Question: There is multiple answers not only 1 A very caf receives customers at a rate of 35 customers per hour. Currently the caf has 4

There is multiple answers not only 1 There is multiple answers not only 1 A very caf

A very caf receives customers at a rate of 35 customers per hour. Currently the caf has 4 baristas each requires on average 5.5 minutes per customer. Assume inter-arrival and processing time are exponentially distributed. A The average waiting time in the queue is less than 2.14 minutes The system can be represented according to Kindall Lee notation as M/M/5.5/GD/35 The average number of customers in the system is about 5.6 customers The probability the system has more than 3 customers is about 52% E The probability the system is empty is equal to about 2% F. For this system p is accepted to be larger than 1 G p is around 80% H) Increasing the number of workers to 5 would result in a traffic intensity of about 64%

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