Consider an espresso stand with a single barista.Customers arrive to 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 waiting in line for service is
A)4.0
B)3.8
C)3.5
D)3.2

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The Answer of Consider an espresso stand with a single barista.Customers arrive to 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 waiting in line for service is
A)4.0
B)3.8
C)3.5
D)3.2

Consider an Espresso Stand with a Single Barista