Probability with permutations and combinations  Permutations and Combinations
Probability with permutations and combinations
Lessons

a)
the multiplication rule

b)
combinatorics


1.
Three prizes are awarded in a raffle to a class of 25 students. Each student holds one ticket.

2.
A class has 6 girls and 4 boys. A committee of 3 is to be randomly selected. What is the probability of each event?