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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,
2 u+ P( P9 M7 Q2 Z2 Z7 y; C 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.
' S$ x) }: h& P, _5 u Loads are processed by each operator for the following time:
# N& g5 [& X. J Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
. L8 B/ P: v4 q 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.
2 Q' O: D1 I) U& T D; S Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
( ^7 ]) G! N' e3 B! RSend 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:; F2 l: _2 L! Q6 z) H: v
After running the model for 10,000 days, what was the average number of loads in each process?
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8 P0 s0 M( \ S$ r不胜感激! |
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