Therefore, the data comes from different documents and may contain slight differences because they were collected at different times, but since the difference in time is small, the data will be used. like finding. Some basic data is also missing, such as the service time distribution and arrival time interval for categories 1 and 2. For the service time distribution, an assumption must be made based on the available data other hospitals, and as categories 1 and 2 represent only 3.4% of the patient, their arrival interval will be considered similar to categories 3 and 4. In addition, the layout of the emergency room and the walking time between rooms is not available, so this data will be assumed