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Probability rule
(sh.itjust.works)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
What progression?
Logical progression. You see four answers and think 25%. You see two 25%s and think 50%, but then you don’t know how to square that because 50% is there too!
Delightful, had to come to the comments after a minute - certified brain* breaker!
*peabrain at least