The normal time for this operation = 11 sec
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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Question
Transcribed Image Text:Suppose Charlene Brewster has times (in seconds) of 8.4, 8.6, 8.3, 8.5, 8.7, 8.5 and a performance rating of 110%.
The normal time for this operation = seconds (round your response to two decimal places).
Expert Solution
Calculation of Observed time
Observed time = Average of recorded times
= (8.4 + 8.6 + 8.3 + 8.5 + 8.7 + 8.5)/6
= 8.5 seconds
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