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1. |
A sample should be ______. |
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A. |
half the size of the population |
B. |
not representative of the general population |
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C. |
representative of the general population |
D. |
less than ten in the general population |
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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 yellow or green region? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
Find the number of possible outcomes if the spinner is spun three times. |
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A. |
6 |
B. |
16 |
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C. |
12 |
D. |
64 |
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Hint |
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4. |
Suppose a number cube is rolled and two coins are tossed. Find the number of possible outcomes. |
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A. |
4 |
B. |
24 |
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C. |
12 |
D. |
2 |
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Hint |
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5. |
How many different ways can you arrange the letters in the word compare? |
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A. |
5! |
B. |
6! |
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C. |
7! |
D. |
4! |
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Hint |
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6. |
In a standard deck of 52 cards, what is the probability of drawing one ace after another ace on two draws? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
A coin is weighted so that the probability of its landing heads is 0.6. If the coin is tossed twice, find the probability of getting two heads. |
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A. |
0.16 |
B. |
0.36 |
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C. |
0.24 |
D. |
0.08 |
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Hint |
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8. |
What is the probability of rolling an odd number on a number cube? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
There are 9 players on a softball team. How many ways can the coach pick the first 5 batters? |
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A. |
45 |
B. |
15,120 |
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C. |
60,480 |
D. |
3,024 |
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Hint |
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10. |
How many different 3-item pizzas can be made from 12 items? |
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A. |
36 |
B. |
220 |
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C. |
440 |
D. |
660 |
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Hint |
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11. |
How many different 4-member committees can be chosen from a panel of 10 people? |
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A. |
210 |
B. |
40 |
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C. |
420 |
D. |
30 |
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Hint |
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12. |
The table shows the results of randomly drawing a marble from a bag with replacement after every draw. What is the experimental probability of drawing a yellow marble? |
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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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13. |
Over the last 6 years, the probability that corn seeds planted by Mrs. Thompson produced corn is  . If Mrs. Thompson wants to have 14,000 corn-bearing plants, how many seeds should she plant? |
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A. |
20,000 seeds |
B. |
16,000 seeds |
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C. |
22,0000 seeds |
D. |
18,000 seeds |
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Hint |
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14. |
To determine what students want served in the cafeteria, the cook asks students in Ms. Andrew’s first period class. Describe the sample used by the cook. |
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A. |
The sample is unbiased because it is voluntary response sample. |
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B. |
The sample is unbiased because it is a convenience sample. |
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C. |
The sample is biased because it is a voluntary response sample. |
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D. |
The sample is biased because it is a convenience sample. |
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Hint |
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