What is the tutorial on running simulations using distribution when we want to find statistics about the as-is system?
I don't think there's a tutorial on this as such. Consider what you're trying to simulate and whether it is better to run your model, for example, for one replication of 1 year or 365 replications of 1 day. FlexSim takes care of the random samples from distributions to give you different values throughout the run. When you change the replication number the sequence of random numbers changes - effectively giving you a different but still valid outcome. If you're unclear on this read up on the principles of discrete event and monte-carlo simulations.
If you're not sure what distributions to use then as Joerg says - you can try fitting to most of those available in FlexSim using Expertfit.
Let me assume you have empirical data. You want to get a statistical function and needed parameter by an analysis about your data. Expertfit is a tool in a licensed version of FlexSim that can do this.
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