What format are answers?

Reduced fractions such as 3/10; integer probabilities as 1 or 0.

With or without replacement?

Without replacement, both total and favorable counts shrink.

Where is progress stored?

Only in local localStorage, never uploaded; full backup/restore is available.

LEARNING GAME

Probability: 1000 Gamified Classical Probability Cards

Turn probability into level cards: read the situation, compute, then reveal; 20 cards per level. Answers use reduced fractions and cover urns, without-replacement draws, coins, dice and cards.

0Due today

0New cards

0Day streak

0Lv.1 · 0/100

Progress is stored locally in localStorage and is lost if you clear storage. Reviews use 1/3/7/14/30/60/120-day intervals.