In queuing theory, the nature of the waiting situation can be studied and analysed mathematically if_________________?

Production Technology 30/11/2021

A. complete details’of items in, waiting line are known
B. arrival and waiting times are known and can be grouped to form a waiting line model
C. all variables and constants are known and form a linear equation
D. the laws governing arrivals, service times, and the order in which the arriving units are taken into source are known
E. all of the above

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