Section 9.5: Practice Problems

This section provides a set of practice problems to reinforce probability and combinatorics concepts from Chapter 9.

Practice Problems

  1. A standard deck of 52 cards: probability of drawing an ace or a king?
  2. From 7 men and 5 women, how many ways to form a committee of 4?
  3. Flipping 3 coins, probability of getting at least 2 heads?
  4. In a lottery, 6 numbers are drawn from 49. Probability of matching all 6?
  5. How many 5-digit numbers can be formed using digits 1-9 without repetition?