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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,
9 z" k/ ?" Q0 J' P 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.& u) v' ]9 Z3 W/ c) `5 ^9 c5 U
Loads are processed by each operator for the following time:
" \3 _. i' o. o c) m Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.2 i/ W! {8 l% y
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.) z+ {2 Y; U% x2 s6 C
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
0 {9 f' b4 x F0 v8 {' D& \# i! |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:* b- @; \* W$ S4 E1 e$ b
After running the model for 10,000 days, what was the average number of loads in each process?
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" t6 J6 ~2 o, i( y不胜感激! |
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