Question: Problem 10-21 Design specifications require that a key dimension on a product measure 105 12 units. A process being considered for producing this product has

Problem 10-21

Design specifications require that a key dimension on a product measure 105 12 units. A process being considered for producing this product has a standard deviation of three units.

a. What can you say (quantitatively) regarding the process capability? Assume that the process is centered with respect to specifications. (Round your answer to 4 decimal places.)

Process capability index __________

b. Suppose the process average shifts to 98. Calculate the new process capability. (Round your answer to 4 decimal places.)

New process capability index _________

c. What is the probability of defective output after the process shift? (Use Excel's NORM.S.DIST() function to find the correct probability. Round "z" values to 2 decimal places. Round probabilities to 4 decimal places (0.####).)

Probability of defective output ________

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