According to Pareto’s principle, x% of defects can be traced to y% of all causes. What are the values of x and y ?

Software Testing and Quality Management 16/09/2020

A. 60, 40
B. 70, 30
C. 80, 20
D. No such principle exists

Explanation: The Pareto principle (also known as the 80–20 rulE. states that, for many events, roughly 80% of the effects come from 20% of the causes.

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