Which of the Following Best Explains the Meaning of the 80/20

Multiple Choice

Which of the following best explains the meaning of the 80/20 rule?

A) 80% of quality defects are caused by 20% of problems
B) An 80% improvement in performance can be expected by eliminating 20% of the causes of poor performance
C) 20% of sales are generated by 80% of customers
D) The benefits of performance increases accrue to 20% of people
E) All of the above are interpretations of the 80/20 rule