A tractor operator has only one tractor and he operates it on the job order from farmers. The requestors for the jobs arrive with Poisson distribution having interval time of 0.7 day. The average time to do a job is distributed exponentially with mean 0.5 day. Assuming that the tractor can take up the next job immediately on completion of the previous job, determine the following: i. Will a queue be formed? Explain ii. If queue is formed will it statistically stabilize? Explain your answer iii. What is the utilization factor of the tractor? iv. What is the idle time in daily duty of 7 hours? v. What is the mean number of job orders waiting? vi. What is the mean waiting time for job orders in the system? vii. What is the mean waiting time in the queue?

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A tractor operator has only one tractor and he operates it on the job order from farmers.
The requestors for the jobs arrive with Poisson distribution having interval time of 0.7 day.
The average time to do a job is distributed exponentially with mean 0.5 day. Assuming that
the tractor can take up the next job immediately on completion of the previous job,
determine the following:
i. Will a queue be formed? Explain
ii. If queue is formed will it statistically stabilize? Explain your answer
iii. What is the utilization factor of the tractor?
iv. What is the idle time in daily duty of 7 hours?
v. What is the mean number of job orders waiting?
vi. What is the mean waiting time for job orders in the system?
vii. What is the mean waiting time in the queue?

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