chapter 9 review. homework answers p. 400-401 6. 5/1212. 1/17 7. 1/813. 13/51 8. 9/3514. 4/663 9....
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Chapter 9 Review
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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
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ReviewFind the value of seven factorial.
Answer: 5040
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ReviewFind the value of 3! · 8!.
Answer: 241,920
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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
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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
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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
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ReviewThe spinner at the right has an equal chance of landing on each number. Find P(odd number, then 4).
Answer:449
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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
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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
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ReviewHow many possibilities are there when 11 things are taken 5 at a time?
Answer: 55,440
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ReviewHow many 5-digit zip codes can be created if no digit can be repeated?
Answer: 30,240
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Review20 dogs are entered in a dog show. In how many ways can win (1st), place (2nd), and show (3rd) be awarded?
Answer: 6840
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ReviewWhat is the probability of hamburgers being a student’s favorite after game food if 85 students out of 150 chose it?
Answer: 1730
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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
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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
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Review8 + (24 – 16 + 1)2
Answer: 89
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Review25.63 L = ________ kL
Answer: 0.02563
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Review3a2 + 5d2 = _____, if a = 7 and d = 2
Answer: 167
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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
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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.
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End of Test Review