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a. An inspector found an average of 3.9 scratches in the exterior paint of each of the automobiles being prepared for shipment to dealers. b. Before shipping lawn mowers to dealers, an inspector attempts to start each mower and notes any that do not start on the first try. The lot size is 100 mowers, and an average of 4 did not start (4 percent).

a. An inspector found an average of 3.9 scratches in the exterior paint of each of the automobiles being prepared for shipment to dealers. b. Before shipping lawn mowers to dealers, an inspector attempts to start each mower and notes any that do not start on the first try. The lot size is 100 mowers, and an average of 4 did not start (4 percent).

Practical Management Science
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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p-chart and c-chart. Using the appropriate control chart, determine two-sigma control limits for each Problem 4 case:
a. An inspector found an average of 3.9 scratches in the exterior paint of each of the automobiles
being prepared for shipment to dealers.
b. Before shipping lawn mowers to dealers, an inspector attempts to start each mower and notes any
that do not start on the first try. The lot size is 100 mowers, and an average of 4 did not start (4
percent).

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