Consider an Espresso Stand with a Single Barista

question 45

Multiple Choice

Consider an espresso stand with a single barista.Customers arrive at the stand at the rate of 28 per hour according to a Poisson distribution.Service times are exponentially distributed with a service rate of 35 customers per hour.The average number of customers in the system (i.e. ,waiting and being served) is

• A)4.0
• B)3.8
• C)3.2
• D)2.0

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