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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,
, e U3 W6 T: ?5 b h# a w, P4 T 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.. E! b& G* t2 Y; K8 v" w5 c
Loads are processed by each operator for the following time:6 B# u1 T, Y3 N1 t( V! z
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
& @7 I: W" W* j7 h7 f 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* e5 }+ T9 h Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
4 O: P) p. |3 Y4 ^6 [/ 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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. e4 m' c: I# `+ Q- M* j5 s问题:
+ s: i( z9 C* w, v: D! ?After running the model for 10,000 days, what was the average number of loads in each process?' G' P0 ~5 k# D0 k2 I& d
6 b$ r! t3 B. W* i7 e不胜感激! |
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