Solved: Suppose that a quality characteristic is normally
Chapter 15, Problem 29E(choose chapter or problem)
Problem 29E
Suppose that a quality characteristic is normally distributed with specifications from 20 to 32 units.
(a) What value is needed for σ to achieve a PCR of 1.5?
(b) What value for the process mean minimizes the fraction defective? Does this choice for the mean depend on the value of σ ?
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