Homework Answers
1) Store currently opens for 6 hours a day
In 1 hour there are 60 minutes
Daily capacity in minutes= 6 hours*60 minutes= 360 minutes
Processing time per customer= 2 minutes
Daily average demand= 150 customers
Average waiting time= Daily average demand*(Processing time per customer)2/2*(Daily capacity in minutes- (Daily average demand*Processing time per customer))
= 150*(2)2/2*(360-(150*2))
= 150*4/2*(360-300)
= 600/2*60
= 600/120
= 5 minutes
2) Cycle time= Average waiting time+Processing time per customer
= 5+2= 7 minutes
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