DPMO= (total number of defects found in a sample/ (sample size*number of defect opportunity found per unit in the sample))*1000000
The first stage:
DPMO= (27/10*3)*1000000 = 8100000
The second stage:
DPMO= (57/15*4)*1000000 = 15200000
The third stage:
DPMO= (64/20*5)*1000000 = 16000000
PPM= (Total number of defective units found in a sample/ sample size)*1000000
The first stage:
PPM= (10/100)*100000 = 10000
The second stage:
PPM= (15/100)*100000 = 15000
The third stage:
PPM= (20/100)*100000 = 20000
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