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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,
5 K- ^$ J$ C1 h$ L0 B6 @ 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( @: w: F- _) g Loads are processed by each operator for the following time:
5 `$ J8 ~; \% N2 ]4 `$ [% N Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
: P' z& P0 @: Y; B6 M0 A9 E/ G 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 |6 I6 Y- O# ]* r1 z' V Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
$ u+ P0 u5 W8 [1 ~* o7 jSend 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.( Z" b- Q6 r+ e, l' y
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问题:
. F4 l+ K6 m! T @9 u4 YAfter running the model for 10,000 days, what was the average number of loads in each process?
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不胜感激! |
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