Ballpitts are never washed. Not even once. However, some kids pee in there. This means there is a 100% chance that all balls in ballpits have been peed on, and not washed at some point. - eviltoast
  • stoly@lemmy.world
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    2 months ago

    You’d be better off claiming that there’s a 100% chance that at least 1 ball has urine on it assuming that 100% of all ball pits have at least one urine incident.