Operations Management CH 7 Question 7 The Bijou Theater shows vintage movies. Customers arrive at the theater line at the rate of 80 per hour. The ticket seller averages 40 seconds per customer, which includes placing validation stamps on customers’ parking lot receipts and punching their frequent watcher cards. (Because of these added services, many customers don’t get in until after the feature has started.)  a) What is the average customer time in the system? Note: Round your answer to 2 decimal places. Average customer time _____ minutes b) What would be the effect on customer time in the system of having a second ticket taker doing nothing but validations and card punching, thereby cutting the average service time to 25 seconds? Note: Round your answer to 3 decimal places. Average time in system _____ minutes c) What would be the customer time in the system if instead of the change in part (b), a second window was opened with each server doing all three tasks? Note: Do not round intermediate calculations. Round your answer to 3 decimal places. Average time in system _____ minutes

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Operations Management CH 7

Question 7

The Bijou Theater shows vintage movies. Customers arrive at the theater line at the rate of 80 per hour. The ticket seller averages 40 seconds per customer, which includes placing validation stamps on customers’ parking lot receipts and punching their frequent watcher cards. (Because of these added services, many customers don’t get in until after the feature has started.) 

a) What is the average customer time in the system? Note: Round your answer to 2 decimal places.

Average customer time _____ minutes

b) What would be the effect on customer time in the system of having a second ticket taker doing nothing but validations and card punching, thereby cutting the average service time to 25 seconds?

Note: Round your answer to 3 decimal places.

Average time in system _____ minutes

c) What would be the customer time in the system if instead of the change in part (b), a second window was opened with each server doing all three tasks? Note: Do not round intermediate calculations. Round your answer to 3 decimal places.

Average time in system _____ minutes
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