Andromeda Books is a small independent publisher of fictionand nonfiction books. Each week the publisher receives anaverage of eight unsolicited manuscripts to review (Poissondistributed). The publisher has 12 freelance reviewers in thearea who read and evaluate manuscripts. It takes a revieweran average of 10 days (exponentially distributed) to read amanuscript and write a brief synopsis. (Reviewers work on their own, seven days a week.) Determine how long the pub-lisher must wait on average to receive a reviewer’s manu-script evaluation, how many manuscripts are waiting to be reviewed, and how busy the reviewers are.

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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Andromeda Books is a small independent publisher of fiction
and nonfiction books. Each week the publisher receives an
average of eight unsolicited manuscripts to review (Poisson
distributed). The publisher has 12 freelance reviewers in the
area who read and evaluate manuscripts. It takes a reviewer
an average of 10 days (exponentially distributed) to read a
manuscript and write a brief synopsis. (Reviewers work on

their own, seven days a week.) Determine how long the pub-
lisher must wait on average to receive a reviewer’s manu-
script evaluation, how many manuscripts are waiting to be

reviewed, and how busy the reviewers are.

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