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刚刚开始学auto mod,这道题目搞不明白,希望大家看看 题目是这样的,
# `) j0 S: O+ ^& e# h Create a new model containing three independent processes, each with one operator. In each process, loads first move into an infinite capacity waiting queue, then into a single-capacity processing queue.5 @1 S; ~7 N8 W* k$ b
Loads are processed by each operator for the following time:4 s5 K0 g# q- c; m2 Z' I/ w. W
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.* p0 {9 J) n# U+ U4 Z; U# X
Worker_B does the job according to a triangular distribution with a min of 30 mins, most likely value of 60 mins, and a max of 90 mins.
7 O6 ^, K: y* s/ G3 @% ^ g Worker_C does the job in a uniformly distributed time between 30 and 90 mins.( b& O6 Q; r T+ j3 s3 _
Send loads to each pocess at the same rate (an exponentially distributed inter-arrival time with a mean of 68 mins) to understand the difference in the processing times of the three workers.
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问题:" H; |3 g; L* R9 F- f
After running the model for 10,000 days, what was the average number of loads in each process?" k+ M. m" \ q
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不胜感激! |
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