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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,
' E5 |, I) u* g; }6 W* r. s 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.
; Z# L; M6 r6 _$ I Loads are processed by each operator for the following time:3 b: Q4 h* u8 I! i6 P7 P
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
" D. _5 }( ^2 O8 F& q+ I" P 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.; Z' L* B+ I# l* e6 X. ]% v
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
s; k4 Z) Q- F5 f2 @! d; Y; p' ~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.
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问题:
, K- M5 ^$ \ w1 jAfter running the model for 10,000 days, what was the average number of loads in each process?/ N8 D* u \! k+ L" a9 P
: `% |+ B" t: u$ E, T不胜感激! |
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