Finicade
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Level 11 · ◆◆◆ · ~12 min

The Normal & Lognormal Distributions

The Normal & Lognormal Distributions

"The bell curve is finance's favourite shape. Here's what it means, and where it hides a trap."

normal distributionz-score68-95-99.7 ruletail quantileslognormal
🚀 You're jumping ahead. This builds on Probability & Random Variables — 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.