Time to Regain ISP Number of Failures Service Xceptional 12 2 minutes Yourizon 4 4 minutes Zelltell 3 10 minutes

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Derek is disappointed in his high-speed Internet service.
Although the Internet is seldom down, it kicks into slow
mode quite often, which Derek considers to be a failure.
He has tried three service providers with varying degrees
of success. The number of failures in a typical eight-hour
day and the average time to regain high-speed service are
shown below. Derek must choose one of the following
options. Calculate the system availability for each option.
Which service would you recommend?

Time to Regain
ISP
Number of Failures
Service
Xceptional
12
2 minutes
Yourizon
4
4 minutes
Zelltell
3
10 minutes
Transcribed Image Text:Time to Regain ISP Number of Failures Service Xceptional 12 2 minutes Yourizon 4 4 minutes Zelltell 3 10 minutes
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