Question

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

(a) 60, 40

(b) 70, 30

(c) 80, 20

(d) No such principle exists

I got this question by my college director while I was bunking the class.

The doubt is from Quality Management topic in chapter Software Testing and Quality Management of Software Engineering

Answer 1

Correct choice is (c) 80, 20

Best 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.