Design specifications require that a key dimension on a product measure 101 ± 8 units. A...

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General Management

Design specifications require that a key dimension on a productmeasure 101 ± 8 units. A process being considered for producingthis product has a standard deviation of five units.

a. What can you say (quantitatively) regardingthe process capability? Assume that the process is centered withrespect to specifications. (Round your answer to 4 decimalplaces.)

Process capability index

b. Suppose the process average shifts to 98.Calculate the new process capability. (Round your answer to4 decimal places.)

New process capability index

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

Probability of defective output
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Given are following data Upper Specification limit USL 101 8 109 units Lower Specification Limit LSL 101 8 93 units Process mean m 101 Process standard deviation Sd 5 units Process capability index Minimum USL m 3 x sd m LSL 3 x sd Minimum 109 101 3 x 5 101 93 3 x 5 Minimum 815 815 See Answer

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