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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.2: Representing Data

Problem 13PPS

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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 5.0 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)?
Note: Round your answer to 2 decimal places.
Number of people
a-2. How long would a customer expect to spend in the camera department (total time)?
Note: Do not round intermediate calculations. Round your answer to 1 decimal place.
Average total time
b. What is the utilization of the clerk?
Note: Do not round intermediate calculations. Round your answer to 1 decimal place.
Utilization
minutes
c. What is the probability that there are more than people in the camera department (excluding the clerk)?
Note: Do not round intermediate calculations. Round your answer to 1 decimal place.
Probability

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