When Bob flips a coin and announces the result, what can we really know about which coin he chose? This video builds probability trees to reveal how new evidence systematically updates our beliefs, ...

The sum of the probabilities of all outcomes is 1. Independent events are those not affected by a previous event. The probability of two independent events both happening is 𝑃(A and B) = 𝑃(A) × 𝑃(B ...