At a border inspection station, vehicles arrive at the rate of 10 per hour in a Poisson distribution. For simplicity in this problem, assume there is only one lane and one inspector, who can inspect vehicles at the rate of 12 per hour in an exponentially distributed fashion. a. What is the average length of the waiting line? (Round your answer to 2 decimal places.) Average length Answer is complete and correct. 4.17 customers b. What is the average time that a vehicle must wait to get through the system? Average time Answer is complete and correct. 30 minutes

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section12.5: Analytic Steady-state Queueing Models
Problem 9P
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I need assitance with solving this problem 3. I made numerous attempts to solve. however I am still having issues. Please provide a step by step explanation so, I can use it as notes for future reference. Respectfully thank you 

c. What is the utilization of the inspector? (Round your answer to 1 decimal place.)
Utilization
Answer is complete and correct.
83.3
d. What is the probability that when you arrive there will be three or more vehicles ahead of you? (Round your intermediate
calculations to 3 decimal places and final answer to 1 decimal place.)
Answer is complete but not entirely correct.
Probability
58.8 %
He
Transcribed Image Text:c. What is the utilization of the inspector? (Round your answer to 1 decimal place.) Utilization Answer is complete and correct. 83.3 d. What is the probability that when you arrive there will be three or more vehicles ahead of you? (Round your intermediate calculations to 3 decimal places and final answer to 1 decimal place.) Answer is complete but not entirely correct. Probability 58.8 % He
At a border inspection station, vehicles arrive at the rate of 10 per hour in a Poisson distribution. For simplicity in this problem, assume
there is only one lane and one inspector, who can inspect vehicles at the rate of 12 per hour in an exponentially distributed fashion.
a. What is the average length of the waiting line? (Round your answer to 2 decimal places.)
Average length
Answer is complete and correct.
4.17 customers
b. What is the average time that a vehicle must wait to get through the system?
Average time
Answer is complete and correct.
30 minutes
Transcribed Image Text:At a border inspection station, vehicles arrive at the rate of 10 per hour in a Poisson distribution. For simplicity in this problem, assume there is only one lane and one inspector, who can inspect vehicles at the rate of 12 per hour in an exponentially distributed fashion. a. What is the average length of the waiting line? (Round your answer to 2 decimal places.) Average length Answer is complete and correct. 4.17 customers b. What is the average time that a vehicle must wait to get through the system? Average time Answer is complete and correct. 30 minutes
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