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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,
5 u! |( J: D: }, `2 L 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.
8 N+ ]" c; o" C8 W. s0 G Loads are processed by each operator for the following time:
' o( s& y; a6 v- R- o3 F/ M* f Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.4 [ |+ t8 @: ^" d
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.
) y! g# c7 p* a' Y- s6 J; U L Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
5 l O0 o' x# S+ ?+ I' q0 eSend 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:
7 |' q3 y, B, fAfter running the model for 10,000 days, what was the average number of loads in each process?
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不胜感激! |
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