A Social Security Administration branch is considering the following two options for processing applications for social security
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Question:
A Social Security Administration branch is considering
the following two options for processing applications for
social security cards:
Option 1 Three clerks process applications in parallel from
a single queue. Each clerk fills out the form for the application in the presence of the applicant. Processing time is
exponential with a mean of 15 minutes. Interarrival times
are exponential.
Option 2 Each applicant first fills out an application without the clerks help. The time to accomplish this is exponentially distributed, with a mean of 65 minutes. When the
applicant has filled out the form, he or she joins a single line
to wait for one of the three clerks to check the form. It takes
a clerk an average of 4 minutes (exponentially distributed)
to review an application.
The interarrival time of applicants is exponential, and an
average of 4.8 applicants arrive each hour. Which option
will get applicants out of the office more quickly?
Related Book For
Management Accounting Information for Decision-Making and Strategy Execution
ISBN: 978-0137024971
6th Edition
Authors: Anthony A. Atkinson, Robert S. Kaplan, Ella Mae Matsumura, S. Mark Young
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