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1. |
A bag contains 4 green marbles, 3 red marbles and 3 blue marbles. Sharon picks a marble without looking. What is the probability that she will pick a red marble? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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2. |
A pin is dropped at random onto the square below. The point of the pin lands on one of the small regions. What is the probability that the point lands inside a blue region? |
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A. |
 |
B. |
 |
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C. |
1 |
D. |
0 |
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Hint |
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3. |
Members of a soccer team have blue shorts, green shorts, and yellow shorts. They also have orange jerseys, white jerseys, brown jerseys, and black jerseys. How many different uniforms can they wear? |
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A. |
6 |
B. |
9 |
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C. |
15 |
D. |
12 |
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Hint |
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4. |
A restaurant offers a choice of four types of pasta with two types of sauce. Each pasta entrée comes with or without a meatball. How many possible entrées are there? |
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A. |
8 |
B. |
16 |
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C. |
24 |
D. |
12 |
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Hint |
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5. |
The local Humane Society needs to select 2 out of 4 cats to feature in a newspaper advertisement. One will appear in the Saturday paper, and the other will appear in the Sunday paper. How many ways can the cats be selected? |
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A. |
12 |
B. |
16 |
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C. |
24 |
D. |
2 |
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Hint |
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6. |
Suppose a number cube is rolled twice. What is the probability that an odd number will show both times? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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7. |
A coin is tossed and a number cube is rolled. Find the probability, P(heads and 7). |
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A. |
 |
B. |
 |
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C. |
0 |
D. |
 |
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Hint |
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8. |
If you roll a number cube, what is the theoretical probability of rolling a 6? |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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9. |
What percent of those surveyed chose jazz as their favorite music? |
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A. |
about 11% |
B. |
about 28% |
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C. |
about 36% |
D. |
about 26% |
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Hint |
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10. |
Roberto wants to take a survey on favorite foods. Which sample would give the most appropriate results? |
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A. |
A random telephone poll of 30 people. |
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B. |
A poll of 30 customers at a pizza restaurant. |
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C. |
A poll of 30 customers at a fast food restaurant. |
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D. |
A poll of 30 customers at a steak house. |
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Hint |
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11. |
Eight points are located on a circle. How many line segments can be drawn with these points as endpoints? |
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A. |
4 |
B. |
16 |
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C. |
28 |
D. |
56 |
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Hint |
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12. |
Consider all of the five-digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 where no digit is used twice. Find the probability that one of these numbers picked at random is an even number. |
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A. |
80% |
B. |
60% |
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C. |
40% |
D. |
20% |
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Hint |
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13. |
There are 20 students in student council. Three of these students are picked to be on a committee to plan the spring dance. Does this represent a combination or a permutation? How many possible committees can be formed? |
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A. |
combination; 6,840 committees |
B. |
permutation; 6,840 committees |
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C. |
permutation; 1,140 committees |
D. |
combination; 1,140 committees |
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Hint |
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14. |
Four-hundred fifty teenagers were asked whether they purchased certain items in the last month. The table gives the results of the survey. What is the experimental probability that a teenager has bought a music CD in the last month? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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