Chapter 9 Review

Homework Answers p. 400-401

6. 5/12 12. 1/17

7. 1/8 13. 13/51

8. 9/35 14. 4/663

9. 2/87 25. B

11. 1/6 26. 1/52

ReviewFind the value of seven factorial.

Answer: 5040

ReviewFind the value of 3! · 8!.

Answer: 241,920

ReviewUse 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

ReviewUse 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

ReviewUse 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

ReviewThe spinner at the right has an equal chance of landing on each number. Find P(odd number, then 4).

Answer:449

ReviewAt 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

ReviewHow 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

ReviewHow many possibilities are there when 11 things are taken 5 at a time?  

Answer: 55,440

ReviewHow many 5-digit zip codes can be created if no digit can be repeated?

Answer: 30,240

Review20 dogs are entered in a dog show. In how many ways can win (1st), place (2nd), and show (3rd) be awarded?

Answer: 6840

ReviewWhat is the probability of hamburgers being a student’s favorite after game food if 85 students out of 150 chose it?  

Answer: 1730

ReviewIf   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

1730

ReviewA 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

Review8 + (24 – 16 + 1)2

Answer: 89

Review25.63 L = ________ kL

Answer: 0.02563

Review3a2 + 5d2 = _____, if a = 7 and d = 2

Answer: 167

Constructed ResponseBill 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:1

115

Constructed ResponseDoes 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.

End of Test Review