**Probability and Statistics**

**Pre-Test
**

1. Probability is the study of ....

2. How many ways can you re-arrange the letters of the word, "DOG"

3. The best method to use when figuring the combinations of #2 is

4. When rolling one die in a pair of dice,the chances of rolling a 3 are

5. Your e-mail has a password that is all numbers. You remember the first number. if you were going to guess at the other two, how many possible combinations would there be?

6. You are on a school field trip and the bus is stopping at a fast food restaurant. Your sponsor tells you that you can order either a chicken sandwich or a cheeseburger. You can also choose between french fries, onion rings, or a cherry pie. You want to figure out how many meal combinations there are. The best way to do this is by using a

7.
Which of these best describes the counting principle?

8. How many combinations are there on a combination lock with 40 numbers (including zero)?

9. If a combination lock had 40 letters instead of 40 numbers would it have

10. Once you make a tree diagram, you can determine the total number of possible combinations by

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