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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," B, ?0 w" T. W
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.6 b$ Y$ O7 K9 r
Loads are processed by each operator for the following time:
+ F) R, `3 w0 ] i% w* h1 g8 W/ a% m Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.1 k( U- t; W$ B, u. O% {
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.
# X, P0 u5 x. ]$ m) E. e; Q Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
+ G" U5 Z, t, W9 QSend 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:. t1 R! b8 g' o6 g7 E
After running the model for 10,000 days, what was the average number of loads in each process?+ i3 x- V: Q/ L" b. r( Y( A
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不胜感激! |
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