You can follow the discussion on (3) Alan Cooper’s answer to Question: A bar of length ℓ is broken into three pieces at two random spots. What is the probability that the length of at least one piece is less than ℓ/20? Can anyone hlp me? Thks a lot – Quora without having to leave a comment. Cool, huh? Just enter your email address in the form here below and you’re all set.