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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,
8 P' g/ a7 Y# Y 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.
* {. O6 k5 ^5 W Loads are processed by each operator for the following time:
' q, j+ E' O _8 J ^" { Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.' j! m. h9 l' m9 q2 j8 Y1 q. 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.6 \: A; H* u2 F7 \, I
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
. {+ o; b0 {. H1 i$ k/ ]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.0 n$ x0 Q/ d' k1 O; j
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问题:
% S9 j. n; v `( v9 ~" XAfter running the model for 10,000 days, what was the average number of loads in each process?( ~6 o7 N# {# U
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不胜感激! |
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