GIFT EXCHANGE Probability, Counting and Combinatorics Sam, Pam, Ken and Jen are exchanging gifts for the holiday. Each name is written on a slip of paper and placed in a bowl. Sam is the first to randomly select a name from the bowl. What is the... Read More
MINI #99 - CONDITIONAL PROBABILITY Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More