4 ms·

I always knew it as the 80/20 rule :D

• mathgeek 3y ago
  That’s the Pareto Principle. https://en.m.wikipedia.org/wiki/Pareto_principle https://en.m.wikipedia.org/wiki/Pareto_principle
  • mhluongo 3y ago
    So is 90/10.
    • skeeter2020 3y ago
      read the thread again; it's the 90/90 rule.
    • mathgeek 3y ago
      The wikipedia page for the 90/90 rule quite literally says “not to be confused with the 90/10 rule”.