Arena software

1. In Model 4.4, why the Station module is created? Your explanation should be simple and not more than three sentences.

2. Based on the report from Model 4.4 (Adding Entity Travel Times), referring to the Queue section, what is the difference between Waiting Time and Number Waiting. Your explanation should be simple and not more than two sentences.

Part A Arrive Assign Part A Sealer and Arrive Time Part A Arrival Station Route to Prep A Prep A Arrival Station Prep A Process Route to Sealer Prep B Arrival Station Assign Picture Prep B Process Part B Arrive Assign Part B Sealer and Arrive Part B Arrival Station Route to Prep B 0 0 Time Sealer Arrival Station 0 True Failed Sealer Inspection Sealer Process Route to Rework Scrapped Parts Arrival Station Record Scrapped Parts Scrapped 0 False Route to Shipped Parts Salvaged Parts Arrival Station Record Salvaged Parts Salvaged 0 True Rework Arrival Station Rework Process Failed Rework Inspection Route to Scrapped Parts Shipped Parts Arrival Station Record Shipped Parts Shipped 0 0 Route to Salvaged Parts Model 4.4 Part A Arrive Assign Part A Sealer and Arrive Time Part A Arrival Station Route to Prep A Prep A Arrival Station Prep A Process Route to Sealer Prep B Arrival Station Assign Picture Prep B Process Part B Arrive Assign Part B Sealer and Arrive Part B Arrival Station Route to Prep B 0 0 Time Sealer Arrival Station 0 True Failed Sealer Inspection Sealer Process Route to Rework Scrapped Parts Arrival Station Record Scrapped Parts Scrapped 0 False Route to Shipped Parts Salvaged Parts Arrival Station Record Salvaged Parts Salvaged 0 True Rework Arrival Station Rework Process Failed Rework Inspection Route to Scrapped Parts Shipped Parts Arrival Station Record Shipped Parts Shipped 0 0 Route to Salvaged Parts Model 4.4