Odds and Probability
Probability trees for a two-step game
A probability tree multiplies along a path and adds across paths. Two hearts from a deck show why the second chance shrinks.
Tag
conditional probability
2 posts tagged "conditional probability".
Odds and Probability
Conditional probability with a two-card draw
A condition changes the denominator. Two cards from a 52-card deck show how an ace already dealt changes the next chance.