After 12,000 Rolls, I rolled the Flavor of Time

That is the chance that all the FoT’s are bad. I mistyped about subtracting 1, I should have said subtract that chance from 1 to get the chance of at least one good FoT.

Short answer: Markov chains.

Longer answer (see this post): So which do you think will be harder to get - #16 by Iria-1342