ABC Inc. supplies shredded lettuce in 10 oz. packs to supermarkets and specifies that the weight of
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Question:
ABC Inc. supplies shredded lettuce in 10 oz. packs to supermarkets and specifies that the weight of 95% of the packs be between 9.8 and 10.2 oz.
1. Will the process capability ratio (Cpk) increase, decrease or stay the same If the supermarkets tighten their specifications to 9.9 and 10.1 oz, explain why?
2. Will the process capability ratio (Cpk) increase, decrease or stay the same if the weighing machine at ABC Inc. malfunctions and the weight of the lettuce packs have greater variance, explain why?
Related Book For
Probability & Statistics for Engineers & Scientists
ISBN: 978-0130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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