1. Chapter 9 Review

2. Homework Answers p. 400-401 6. 5/1212. 1/17 7. 1/813. 13/51 8. 9/3514. 4/663 9. 2/8725. B 11. 1/626. 1/52

4. Review Find the value of seven factorial. Answer: 5040

5. Review Find the value of 3! · 8!. Answer: 241,920

6. Review Use the Fundamental Counting Principle to find the total number of outcomes from rolling a number cube, tossing a penny, and rolling another number cube. Answer: 72

7. Review Use the Fundamental Counting Principle to find the total number of outcomes from choosing cake or pie, with whipped cream, ice cream or chocolate syrup, served on a glass or china plate. Answer: 12

8. Review Use the Fundamental Counting Principle to find the total number of outcomes from picking a number from 1 to 15 and a letter from the word government. Answer: 150

9. Review The spinner at the right has an equal chance of landing on each number. Find P(odd number, then 4). Answer:

10. Review At the park in town, you can walk, ride a bicycle, use a skateboard, or use inline skates. One path goes along the river, another goes through Antique Alley, and a third goes along Arkansas road. How many different ways can you use the park? Answer: 12 ways

11. Review How many ways can you pick a consonant from the word PARKER, pick a card from a deck of 52 cards, and a vowel from the word AUSTIN? Answer: 624

12. Review How many possibilities are there when 11 things are taken 5 at a time? Answer: 55,440

13. Review How many 5-digit zip codes can be created if no digit can be repeated? Answer: 30,240

14. Review 20 dogs are entered in a dog show. In how many ways can win (1 st ), place (2 nd ), and show (3 rd ) be awarded? Answer: 6840

15. Review What is the probability of hamburgers being a student’s favoriteafter game food if 85 students out of 150 chose it? Answer:

16. Review If of students chose hamburgers, how many of the 900 students in the school would you expect to choose hamburgers as their favorite? Answer: 510 students

17. Review A coin is tossed 14 times. It lands on heads 8 times and tails 6 times. What is the theoretical probability of it landing on heads? What is the experimental probability of it landing on heads? Answer: ½, 4/7

18. Review 8 + (24 – 16 + 1) 2 Answer: 89

19. Review 25.63 L = ________ kL Answer: 0.02563

20. Review 3a 2 + 5d 2 = _____, if a = 7 and d = 2 Answer: 167

21. Constructed Response Bill has a bag of marbles that includes 6 blue marbles, 7 clear marbles, 8 green marbles, and 4 steelies. Assume the marbles are randomly distributed in the bag. Suppose Bill’s son selects 3 marbles from the bag. What is the probability that he will select a blue marble, then a steelie, and then another blue marble? P(blue, steelie, blue) = Does the situation described in part c represent a set of independent or dependent events? Explain. Answer:

22. Constructed Response Does the situation described in the previous question represent a set of independent or dependent events? Explain. Answer: Dependent. The marbles aren’t replaced so the totals go down. Therefore each time he picks a marble, there are less in the bag.

23. End of Test Review