Question: When the inter-arrival times are exponentially distributed, we have Ca = 1. Ca = 0.5. Ca = 0. Ca = Cs. Consider a coffee shop

When the inter-arrival times are exponentially

When the inter-arrival times are exponentially distributed, we have Ca = 1. Ca = 0.5. Ca = 0. Ca = Cs. Consider a coffee shop that is modeled as an M/M/1 queueing system. On average, 10 customers arrive at the coffee shop per hour. The average service rate of this coffee shop is 15 customers per hour. What is the average waiting time of a customer in the queue (in hour)? 1/5 2/15 3/10 4/3 Given the same average customer arrival rate (1) and service rate (u), which of the following queueing systems has the lowest average queue length? (Assuming 0

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