In the Source Arrivals, what expression do I need to put in the Quantity column to simulate our emergency department's typical arrival patterns. For example, I know that in our ED on average 2.2 patients arrive between 07:00-08:00. Patients are whole people so I really just need the simulation to select 2 or 3 patients to arrive randomly spaced during that hour.
You could use a base of 2 and add 1 in 20 percent of the cases.
2 + bernoulli(20, 1, 0, getstream(activity))
With larger numbers you might want a bigger variance though, so using a distribution with the correct mean value and rounding the value might be better.
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