upervisor Tom Choi at Tempe EquipmentCompany is concerned that material is not arriving aspromptly as needed at work cells. A new kanban system hasbeen installed, but there seems to be some delay in getting thematerial moved to the work cells so that the job can beginpromptly. Choi is interested in determining how much delaythere is on the part of his highly paid machinists. Ideally, thedelay would be close to zero. He has asked his assistant todetermine the delay factor among his 10 work cells. The assistant collects the data on a random basis over the next 2 weeksand determines that of the 1,200 observations, 105 were madewhile the operators were waiting for materials. Use a 95% confidence level and a {3% acceptable error. What report does hegive to Choi?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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upervisor Tom Choi at Tempe Equipment
Company is concerned that material is not arriving as
promptly as needed at work cells. A new kanban system has
been installed, but there seems to be some delay in getting the
material moved to the work cells so that the job can begin
promptly. Choi is interested in determining how much delay
there is on the part of his highly paid machinists. Ideally, the
delay would be close to zero. He has asked his assistant to
determine the delay factor among his 10 work cells. The assistant collects the data on a random basis over the next 2 weeks
and determines that of the 1,200 observations, 105 were made
while the operators were waiting for materials. Use a 95% confidence level and a {3% acceptable error. What report does he
give to Choi?

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