MBA 806 HW7 Group 6

# MBA 806 HW7 Group 6 - Preparation Tp = 2min Homework 7 here...

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e here if R i R p or from variability in process or orders. Preparation T p = 2min Oven T p = 15 min Start End Homework 7 MBA 806 3/11/11 Group 6 1. In a process there are two servers, who are utilized 80% of the time. It takes two minutes to process each customer. The arrival rate of customers and processing times of customers each have a coefficient of variation = 1.0. On average, how many customers are standing in line? = . ρ 0 8 = c 2 = Ci 1 = Cp 1

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= + - + =. + -. + = Ii ρ2c 11 ρCi2 Cp22 822 11 812 122 . 1 31 customer I have exact same formula, but different answer, 2.89 customers I think we need buffer here, because professor said we need buffer before activity, even if buffer equals 0
a) DRAW the process flow. Remember that the Pizza Preparation can be done on one pizza while another pizza is in the oven. b) What is the bottleneck? c) What is the theoretical flow time of a pizza? d) What would you recommend and why?

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MBA 806 HW7 Group 6 - Preparation Tp = 2min Homework 7 here...

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