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You own a barbershop with 2 chairs. The individuals waiting for service go to the next...

You own a barbershop with 2 chairs. The individuals waiting for service go to the next available chair (2 channels).  The mean arrival rate is 8 people per hour. The mean service rate is 5 units per hour for each chair. Find the following:

What is the probability that no one is in the system?

What is the average number of people in the system?

What is the average time a person waits for service?

What is the average time a person is in the system?

Math   Statistics-And-Probability   
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