# Basic Statistics & Probability

# Basic Counting Principle Exercises

### Example 1

What is the probability of flipping a coin four times in a row and having it land on heads each time?

### Example 2

If you are allowed to choose one fruit, one sandwich, and one bag of chips, how many different lunches can be made from these choices: apple, orange, banana, PB&J on whole wheat, turkey and Swiss on sourdough, tuna salad on rye, Fritos, Cheetos, Nacho Cheese Doritos, or Sunchips?

### Example 3

If you pick one card each from two decks of cards, what is the probability that both cards will be the Ace of Spades?