Answer :
Final answer:
The 80/20 rule, or Pareto principle, suggests that 80% of effects are due to 20% of the causes, with option 3 being the correct example of this rule.So the correct answer is option 3) The 80/20 rule states that 80% of the effects come from 20% of the causes.
Explanation:
The 80/20 rule, also known as the Pareto principle, is an aphorism which states that roughly 80% of the effects come from 20% of the causes. Among the given options, the correct example of the 80/20 rule would be option 3: The 80/20 rule states that 80% of the effects come from 20% of the causes. This principle is widely observed in various fields including business, economics, and even personal productivity, where a minority of causes, inputs, or efforts usually lead to a majority of the results, outputs, or rewards.