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What level of component reliability is necessary to restore the product to its former level of...

RELIABILITY

Jack McP hee, a production supervisor for McCormick, Inc., is committed to the company"s new quality efforts. Part of the program encourages making product components in-house to ensure higher quality levels and instill worker pride. The system seems to be working well. One assembly, which requires a reliability of 0.95, is normally purchased from a local supplier. Now it is being assembled in-house from three components that each boast a reliability of 0.96.

  1. Customer complaints have risen in the three months since McCormick started doing its own assembly work. Can you explain why?
  2. What level of component reliability is necessary to restore the product to its former level of quality?
  3. Jack can"t increase the reliability of the individual components; however, he can add a backup with a reliability of 0.90 to each component. If the backups have a reliability of 0.90, how many will be needed to achieve a 0.95 reliability for the assembly?
 

Aug 05 2020 View more View Less

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