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Level 12 · ◆◆ · ~12 min

Probability Refresher

The probability toolkit every pricing model is built on.

"Randomness, tamed by expectation and the bell curve."

random variablesexpectation & variancenormal distributioncovariancecentral limit theorem
🚀 You're jumping ahead. This builds on Options — but play it now and you'll still earn full XP. If it feels steep, those make a gentler on-ramp.

A short lesson, then a quiz. ❤️×3 — a wrong answer costs a heart; finish with at least one left and the level is yours. Lose all three and you'll have to try again. Replay any time — XP and cleared levels are never lost.