Operations and Supply Chain Management 9th edition
Operations and Supply Chain Management 9th edition
9th Edition
ISBN: 9781119320975
Author: Roberta S. Russell, Bernard W. Taylor III
Publisher: WILEY
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Chapter 5, Problem 46P
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To explain: Determine the length of the queue for a ride given that it can hold 36 people and the ride takes 4.1 minutes. The attendant needs an additional 3.5 minutes to load and unload the passengers. Passengers arrive at the rate of 4.4 per minute.

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Discuss how the design of a waiting system can negatively affect customers?
OPERATIONS RESEARCH Auto vehicles arrive at a petrol pump, having one petrol unit, in Poisson fashion with an average of 10 units per hour. The service time is distributed exponentially with a mean of 3 minutes. Find the following: Average number of units in the system Average waiting time iii. Average length of queue Probability that a customer arriving at the pump will have to wait The utilization factor for the pump unit Probability that the number of customers in the system is 2.
McBurger’s fast-food restaurant has a drive-through window with a single server who takes orders from an intercom and also is the cashier. The window operator is assisted by other employees who prepare the orders. Customers arrive at the ordering station prior to the drivethrough window every 4.5 minutes (Poisson distributed), and the service time is 2.8 minutes (exponentially distributed). Determine the average length of the waiting line and the waiting time. Discuss the quality of the service.

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Operations and Supply Chain Management 9th edition

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