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# (Solved): 4-27 An acute-care facility treats non-emergency patients (cuts, colds, etc.). Patients arrive acco ...

4-27 An acute-care facility treats non-emergency patients (cuts, colds, etc.). Patients arrive according to an exponential interarrival-time distribution with a mean of 11 (all times are in minutes). Upon arrival they check in at a registration desk staffed by a single nurse. Registration times follow a triangular distribution with parameters 6,10 , and 19. After completing registration, they wait for an available examination room; there are three identical rooms. Data show that patients can be divided into two groups with regard to different examination times. The first group (

`55%`

of patients) has service times that follow a triangular distribution with parameters 14,22 , and 39 . The second group (

`45%`

) has triangular service times with parameters 24,36 , and 59. Upon completion, patients are sent home. The facility is open 16 hours each day. Make 200 independent replications of 1 day each and observe the average total time patients spend in the system. Please solve using ARENA simulation.

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