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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 ^" I5 b9 x4 U: ^3 Q/ l( K 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.& [3 e) p7 v4 X' l+ @
Loads are processed by each operator for the following time:( P$ v+ z9 T7 C
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins." B: z, R6 u% s4 Z2 `1 U# D* s% i
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.
! S2 r6 M4 L0 } Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
* @# t; v7 c) TSend 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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7 o8 W# C" t$ c+ f3 O问题:# ?/ O; _6 x' d* x% P3 i8 M
After running the model for 10,000 days, what was the average number of loads in each process?. O# z3 [' c" s, B) C
5 t/ V& Y9 B1 ] b+ n: t0 U不胜感激! |
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