
The World Cup of Soccer begins November 20, 2022. We have two different activities involving the logic of setting up a fair draw and the number of matches that each team may have to play.
Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18th place at the half-way mark (out of 20 horses) to winning the race. Churchill Downs, the track in Kentucky where the race took place, paid out $81 for every dollar that was bet for Rich Strike to win. How do they figure that?