How many dozen should I put in the proofer?” asked Elizabeth, the new baker at the Sands Cafeteria. Rami El‐Hussieny was the day shift operations manager, and, unfortunately, he did not know how to answer Elizabeth's question. What she wanted to know was simple enough: How many dozen rolls should be placed in the proofer in anticipation of the night's dinner business? The problem was that the frozen dinner roll dough used at the Sands Cafeteria needed to be proof for at least 2 hours prior to being baked for 15 minutes.  If too many rolls were proofed, they would never be needed, but they would still have to be baked and made into bread dressing or even tossed out. If too few dozen were proofed and the night was busier than anticipated, they would run out of “Fresh Baked Rolls” (one of the restaurant's signature items), and Rami knew that the night manager would be really upset. It was a daily guess, and sometimes Rami missed the guess! He wondered if a prebaked roll with a shelf life of 3 or 4 days would, despite not having been baked on-site, be the best solution to this problem.  Questions What do you think is the main cause of Rami's difficulty? (3 to 5 sentences) What is the relationship between management inventory and quality control? (3

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section: Chapter Questions
Problem 59P
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“How many dozen should I put in the proofer?” asked Elizabeth, the new baker at the Sands Cafeteria. Rami El‐Hussieny was the day shift operations manager, and, unfortunately, he did not know how to answer Elizabeth's question. What she wanted to know was simple enough: How many dozen rolls should be placed in the proofer in anticipation of the night's dinner business? The problem was that the frozen dinner roll dough used at the Sands Cafeteria needed to be proof for at least 2 hours prior to being baked for 15 minutes. 

If too many rolls were proofed, they would never be needed, but they would still have to be baked and made into bread dressing or even tossed out. If too few dozen were proofed and the night was busier than anticipated, they would run out of “Fresh Baked Rolls” (one of the restaurant's signature items), and Rami knew that the night manager would be really upset. It was a daily guess, and sometimes Rami missed the guess! He wondered if a prebaked roll with a shelf life of 3 or 4 days would, despite not having been baked on-site, be the best solution to this problem. 

Questions

  1. What do you think is the main cause of Rami's difficulty? (3 to 5 sentences)
  2. What is the relationship between management inventory and quality control? (3 to 5 sentences 

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