There are two tellers at a bank. Customers come into the ban…
There are two tellers at a bank. Customers come into the bank randomly starting at 8am. As customers enter, they will wait in a queue if the tellers are busy (following a first-come first-serve discipline). The manager of the bank decides to the operations for 60 minutes one morning (8:00 – 9:00am) and recorded the events that happened during that time period. Just Finished Event Variables Statistical Accumulators [EntityID,Time,Event] Q(t) B(t) Ʃ TS ∫Q(t) ∫B(t) [-, 0, Init] – – – – – [1, 0, Arr] 0 1 – – – [2, 8, Arr] 0 2 – – 8 [1, 15, Dep] 0 1 15 – 14 [3, 20, Arr] 0 2 – – 5 [4, 30, Arr] 1 2 – – 20 [2, 32, Dep] 0 2 24 2 [a5] [5, 42, Arr] 1 2 – – [a6] [6, 54, Arr] 2 2 – 12 [a7] [3, 55, Dep] 1 2 [a1] [a3] [a8] [4, 56, Dep] 0 2 [a2] [a4] [a9] [7, 60, Arr] 1 2 – – 8 [-, 60, End] 0 2 – – [a10]
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