- High school🎲Probability🎯
Conditional probability: $P(A|B)$ without getting it wrong
« Probability of A **given** B ». Simple formula, but 90% of errors come from picking the wrong universe. Here's how never to slip.
- High school🎲Probability🎂
The birthday paradox: how many people until two share a birthday?
365 days, but only 23 people are enough for the probability to exceed 50%. One of the most counter-intuitive results in probability.
