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Q.3. Three types of customers arrive at a small airport: check baggage (30%, that is, for each arriving customer there is a 0.30 probability that

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Q.3. Three types of customers arrive at a small airport: check baggage (30%, that is, for each arriving customer there is a 0.30 probability that this is a "ch1.66eck-baggage" customer), purchase tickets (15%), and carry-on (55%). The interarrival-time distribution for all customers combined is EXPO(1.3); all times are in minutes and the first arrival is at time 0. The bag checkers go directly to the check-bag counter to check their bags -- the time for which is distributed TRIA(2, 4, 5) proceed to X-ray, and then go to the gate. The ticket buyers travel directly to the ticket counter to purchase their tickets the time for which is distributed EXPO(7) proceed to X-ray, and then go to the gate. The carry-ons travel directly to the X-ray, then to the gate counter to get a boarding pass-the time for which is distributed TRIA(1, 16, 3). All three counters are staffed all the time with one agent each. The X-ray time is EXPO(1). All travel times are EXPO(2), except for the carry-on time to the X-ray, which is EXPO(3). a) Describe how you would model this problem. (5-Mark) b) Build the model using ARENA Syntax and explain what the function of each module is you used in the model. (20-Mark) c) Identify the VARIABLES, EXPRESSIONS, ATTRIBUTES, ENTITIES used in the model (10-Mark) d) Identify what OUTPUT need to be collected from this model. (5-Mark) Q.3. Three types of customers arrive at a small airport: check baggage (30%, that is, for each arriving customer there is a 0.30 probability that this is a "ch1.66eck-baggage" customer), purchase tickets (15%), and carry-on (55%). The interarrival-time distribution for all customers combined is EXPO(1.3); all times are in minutes and the first arrival is at time 0. The bag checkers go directly to the check-bag counter to check their bags -- the time for which is distributed TRIA(2, 4, 5) proceed to X-ray, and then go to the gate. The ticket buyers travel directly to the ticket counter to purchase their tickets the time for which is distributed EXPO(7) proceed to X-ray, and then go to the gate. The carry-ons travel directly to the X-ray, then to the gate counter to get a boarding pass-the time for which is distributed TRIA(1, 16, 3). All three counters are staffed all the time with one agent each. The X-ray time is EXPO(1). All travel times are EXPO(2), except for the carry-on time to the X-ray, which is EXPO(3). a) Describe how you would model this problem. (5-Mark) b) Build the model using ARENA Syntax and explain what the function of each module is you used in the model. (20-Mark) c) Identify the VARIABLES, EXPRESSIONS, ATTRIBUTES, ENTITIES used in the model (10-Mark) d) Identify what OUTPUT need to be collected from this model. (5-Mark)

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