Question: A Tailor observes the time required to complete a nice fashion takes an exponential distribution with a service rate mean ( of 50 minutes. With

A Tailor observes the time required to complete a nice fashion takes an exponential distribution with a service rate mean ( of 50 minutes. With the first come first serve principle, the arrival rate ( of customers are 7.

Define the term queuing (2 marks)

Which are the 2 queuing systems (2 marks)

Discuss the required conditions for a single channel facility (6 marks)

How long will it take;

The customers to wait in the queue on average(4 marks)

How many customers are waiting in the system (4 marks)

Determine the probability that the system is idle; P (idle)(4 marks

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