d. Another clerk has been hired for the camera department who also takes an average of 10.0 minutes to serve each arrival. How long would a customer expect to spend in the department now? (Do not round intermediate calculations. Round your answer to 1 decimal place.) Average total time minutes
d. Another clerk has been hired for the camera department who also takes an average of 10.0 minutes to serve each arrival. How long would a customer expect to spend in the department now? (Do not round intermediate calculations. Round your answer to 1 decimal place.) Average total time minutes
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section12.5: Analytic Steady-state Queueing Models
Problem 9P
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Question
part D pls
![d. Another clerk has been hired for the camera department who also takes an average of 10.0 minutes to serve each arrival. How long
would a customer expect to spend in the department now? (Do not round intermediate calculations. Round your answer to 1
decimal place.)
Average total time
minutes](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec7ca5ac-d913-4f83-b702-3cb8fd792592%2F68a922f4-3df6-493a-9e91-b39629067089%2Fqydovol_processed.png&w=3840&q=75)
Transcribed Image Text:d. Another clerk has been hired for the camera department who also takes an average of 10.0 minutes to serve each arrival. How long
would a customer expect to spend in the department now? (Do not round intermediate calculations. Round your answer to 1
decimal place.)
Average total time
minutes
![Customers enter the camera department of a store at an average rate of five per hour. The department is staffed by one employee,
who takes an average of 10.0 minutes to serve each arrival. Assume this is a simple Poisson arrival, exponentially distributed service
time situation. (Use the Excel spreadsheet Queue Models.)
a-1. As a casual observer, how many people would you expect to see in the camera department (excluding the clerk)? (Round your
answer to 2 decimal places.)
Number of people
4.25
a-2. How long would a customer expect to spend in the camera department (total time)? (Do not round intermediate calculations.
Round your answer to 1 decimal place.)
Average total time
61.0 minutes
b. What is the utilization of the clerk? (Do not round intermediate calculations. Round your answer to 1 decimal place.)
Utilization
83.3 %
c. What is the probability that there are more than two people in the camera department (excluding the clerk)?(Do not round
intermediate calculations. Round your answer to 1 decimal place.)
Probability
57.9 %](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec7ca5ac-d913-4f83-b702-3cb8fd792592%2F68a922f4-3df6-493a-9e91-b39629067089%2Fg8s2hn8_processed.png&w=3840&q=75)
Transcribed Image Text:Customers enter the camera department of a store at an average rate of five per hour. The department is staffed by one employee,
who takes an average of 10.0 minutes to serve each arrival. Assume this is a simple Poisson arrival, exponentially distributed service
time situation. (Use the Excel spreadsheet Queue Models.)
a-1. As a casual observer, how many people would you expect to see in the camera department (excluding the clerk)? (Round your
answer to 2 decimal places.)
Number of people
4.25
a-2. How long would a customer expect to spend in the camera department (total time)? (Do not round intermediate calculations.
Round your answer to 1 decimal place.)
Average total time
61.0 minutes
b. What is the utilization of the clerk? (Do not round intermediate calculations. Round your answer to 1 decimal place.)
Utilization
83.3 %
c. What is the probability that there are more than two people in the camera department (excluding the clerk)?(Do not round
intermediate calculations. Round your answer to 1 decimal place.)
Probability
57.9 %
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