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4) (2 Points] Consider the following closed queueing network in which job sizes are Exponentially distributed. The service rate for each server is p

4) (2 Points] Consider the following closed queueing network in which job sizes are Exponentially distributed. The service rate for each server is p =3 and # = 1, respectively. The value of p denotes a probability. Find the value of that minimizes the mean response time (E[T]) when D = D? D is P 1-p N = 100 H

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