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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,
0 Z8 c! A1 A1 Q2 [$ R. {: u4 y! U 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.* j3 V( u* t( l: ?, Z
Loads are processed by each operator for the following time:( q# @" `9 d C
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.+ C5 y% Z, s" N( b9 E& `1 ~6 \
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.
8 ]* V7 M% X9 c9 C3 n1 \/ S Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
3 ]( T( L* A1 c! B3 R8 fSend 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:
; s$ b/ M+ c9 IAfter running the model for 10,000 days, what was the average number of loads in each process?
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; z; u7 A0 K) V& Q不胜感激! |
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