1. Copyright © 2009 Pearson Education, Inc. Chapter 12 Section 3 - Slide 1 P-3 Probability Odds

2. Chapter 12 Section 3 - Slide 2 Copyright © 2009 Pearson Education, Inc. WHAT YOU WILL LEARN Odds against an event and odds in favor of an event

3. Chapter 12 Section 3 - Slide 3 Copyright © 2009 Pearson Education, Inc. Odds Against

4. Chapter 12 Section 3 - Slide 4 Copyright © 2009 Pearson Education, Inc. Example: Odds Against Example: Find the odds against rolling a 5 on one roll of a die. The odds against rolling a 5 are 5:1. odds against rolling a 5

5. Chapter 12 Section 3 - Slide 5 Copyright © 2009 Pearson Education, Inc. Odds in Favor

6. Chapter 12 Section 3 - Slide 6 Copyright © 2009 Pearson Education, Inc. Example Find the odds in favor of landing on blue in one spin of the spinner. The odds in favor of spinning blue are 3:5.

7. Chapter 12 Section 3 - Slide 7 Copyright © 2009 Pearson Education, Inc. Probability from Odds Example: The odds against spinning a blue on a certain spinner are 4:3. Find the probability that a) a blue is spun. b) a blue is not spun.

8. Chapter 12 Section 3 - Slide 8 Copyright © 2009 Pearson Education, Inc. Solution Since the odds are 4:3 the denominators must be 4 + 3 = 7. The probabilities ratios are:

9. Slide 12 - 9 Copyright © 2009 Pearson Education, Inc. Five red apples and six yellow apples are placed in a bag. If one apple is selected at random, determine the odds against the apple being yellow. a.5:11 b.6:11 c.5:6 d.6:5

10. Slide 12 - 10 Copyright © 2009 Pearson Education, Inc. Five red apples and six yellow apples are placed in a bag. If one apple is selected at random, determine the odds against the apple being yellow. a.5:11 b.6:11 c.5:6 d.6:5

11. Slide 12 - 11 Copyright © 2009 Pearson Education, Inc. Five red apples and six yellow apples are placed in a bag. If one apple is selected at random, determine the odds in favor of the apple being red. a.5:11 b.6:11 c.5:6 d.6:5

12. Slide 12 - 12 Copyright © 2009 Pearson Education, Inc. Five red apples and six yellow apples are placed in a bag. If one apple is selected at random, determine the odds in favor of the apple being red. a.5:11 b.6:11 c.5:6 d.6:5

13. Slide 12 - 13 Copyright © 2009 Pearson Education, Inc. The odds against the Blue Streaks winning the basketball game are 7:5. What is the probability that the Blue Streaks win the game? a. c. b. d.

14. Slide 12 - 14 Copyright © 2009 Pearson Education, Inc. The odds against the Blue Streaks winning the basketball game are 7:5. What is the probability that the Blue Streaks win the game? a. c. b. d.

15. Slide 12 - 15 Copyright © 2009 Pearson Education, Inc.

16. Slide 12 - 16 Copyright © 2009 Pearson Education, Inc.