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一个actual cafe shop.... 
有3个stuff 轮流 帮助客人点单 和收钱。。。但是只有2个收银台, 
inter-arrival time 是指 the time between 2 customers standing in the queue 
service time 是指 customer standing in front of cashier register. 
员工可以在客人排队的时候帮助客人点单,然后准备食物,最后 到cashier register collect money...(员工帮客人点单的时间不包含在service time里) 
inter-arrival time is exponential distribution with mean 59.667 
service time is Gamma distribution with alpha 2.822   ,beta 29.49 
collection period 3677 sec , which has warm up period inclu 
 
 
write up the system showing how you handled the data collection, formulation of the model, verifiction and validation if needed. analysis the results. 
 
 
qq: 376529011 
 
[ 本帖最后由 ellahour 于 2008-9-11 15:05 编辑 ] |   
 
 
 
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