A Pareto chart categorizes manufacturing defects by type and their cumulative percentage impact on total defects. The categories, in descending order of individual frequency, are: 'Component Failure' (40%), 'Assembly Error' (25%), 'Calibration Issue' (15%), 'Material Flaw' (10%), and 'Other' (10%). To address at least 80% of all defects by focusing on the minimum number of defect categories, which categories should be prioritized?
✓ Correct Answer: Option B
Component Failure (40%) + Assembly Error (25%) = 65%. Adding Calibration Issue (15%) brings the cumulative total to 80% (40+25+15). This represents the minimum number of categories to reach the 80% target.