Using the proper control chart, determine two-sigma control limits for the situation below. a. An examiner found an average of 4.9 scratches in the outer paint of each of the vehicles being made for delivery to dealers.  b. Before delivery of lawn mowers to dealers, an examiner tries to start each mower and notes any that do not start on the first try. The lot size is 200 mowers, and an average of 5 did not start (2.5 percent)

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Using the proper control chart, determine two-sigma control limits for the situation below.

a. An examiner found an average of 4.9 scratches in the outer paint of each of the vehicles being made for delivery to dealers. 

b. Before delivery of lawn mowers to dealers, an examiner tries to start each mower and notes any that do not start on the first try. The lot size is 200 mowers, and an average of 5 did not start (2.5 percent)

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