Day 233 of 365

August 21

f(x)
Mathematics

The Math of Probability

Probability theory, developed by Pascal and Fermat in the 1600s, underlies everything from insurance to quantum mechanics. The birthday paradox shows how our intuition fails: in a group of just 23 people, there's a 50% chance two share a birthday.

💡 Did you know?

The probability that your DNA exactly matches a stranger's is about 1 in 400 trillion!

Take Knowly with you

Get daily lessons, create your own, and build your personal wisdom library

Download for iOS