# Lectures - 1.4 Sets of Outcomes and Trees

Quiz 1.4 #1 - Sizes of Sets

Consider the following experiment:

Fred goes to dinner and has to pay the bill, which comes to $7.

He has one $10, one $5, and three $1 bills.

He pulls random bills out of his pocket until he has enough to pay.

How many elements are in the sample space?

- A. 9
- B. 10
- C. 11

Quiz 1.4 #2 - Multiplication Principle

Mike goes to subway and gets a sandwich. He can choose between...

5 kinds of bread

4 kinds of cheese

3 kinds of meat

How many different sandwiches does he have to choose from?

- A. 20
- B. 60
- C. 120