Name _________________________

Unit 11 Final Assessment

Complete the following.

1. _______________= Number of desired outcomes / total number of outcomes

2. How many ways can probability be expressed? What are they?

A bag holds 8 green chips, 2 red chips, and 5 blue chips. Write a fraction to show the following probabilities.

3. Getting a blue chip

4. Getting a red or green chip

5. Getting an orange chip

6. Getting a red or blue chip

Use common sense and make a prediction, use impossible, unlikely, likely, or certain to describe each statement.

7. It will rain today?

8. The Vikings will go the entire season without a loss

9. That you will need to eat some food this week

10. That a baby born will be either an boy or a girl

11. Stephanie is going to buy an ice cream cone. She can pick a sugar cone or a waffle cone. She can have vanilla, chocolate, or mint ice cream. Use a tree diagram to show all the possible combinations of ice cream cones.

12. In a class of 50 students, 25 students like math and 20 students like art. What is the probability of randomly selecting a student that likes both math and art?

13. There is a bag of 20 marbles. 5 are green, 5 are red, and 10 are clear. What is the probability of picking a green marble, putting it back, and then picking a red marble and then putting it back, and finally picking a clear marble from the bag?

Use six sided die for problems 14, 15, and 16.

14. What is theoretical probability of getting a four?

15. Roll it 15 times and record your results. What is the experimental probability of rolling a four?

16. Give an event with a probability of 0%.

Finish the chart.

20. When tossing 4 coins at the same time, what is the probability of getting 4 or 2 heads? What is the probability of getting 1 tails and 3 heads?

21. Use a Venn Diagram to show the following events. Event A is getting a 1, 2, or 3 on a die. Event B is getting a 3, 4, or 5 on a die.