1. A box of 100 lego pieces contains 50 yellow pieces and 50 white pieces. If 5 pieces are selected at random, what is the probability that all 5 pieces are yellow?
2. A pair of dice is rolled four times and the sum of the faces is recorded. What is the probability of rolling four 7's in a row?
3. When I play monopoly with my father, the probability of me winning a game is 48%. If we play 5 games, what is the probability that I will win exactly two games?