Question: this is a operation and research question . Question 5: [10 Marks] (a) A duplication machine maintained for office use is operated by office assistant.

this is a operation and research question .this is a operation and research question .

Question 5: [10 Marks] (a) A duplication machine maintained for office use is operated by office assistant. The time to complete each job varies according to an exponential distribution with mean 6 min. Assume a Poisson input with an average arrival rate of 5 jobs per hour. If an 8-hour day is used as a base, determine The percentage of idle time of the machine The average time ajob is in the system and average time a customer spends in the system (6) Use revised simplex Method and Two Phase Method to solve RPP Minimize z = 1+*+ + x,-3 subject to constraint +*+, 55, +2,25 41,1,1,20 Also compare your solutions obtained by back word pass Dynamical Programming

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