Question: Why do waiting lines form at a service facility even though there may be more than enough service capacity to meet normal demand in the
Why do waiting lines form at a service facility even though there may be more than enough service capacity to meet normal demand in the long run?
A.Variability in demand
B.All of these
C.Sometimes servers have "good" days and sometimes they have "bad" days
D.Variability in service times
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