| |
| |
1. |
In a college of 1000 girls, the dean wanted to choose a sample of 30 girls to represent the whole school. She wanted to determine average height. Which survey would get the best results? |
| |
|
A. |
Choose every third girl out of 100 randomly selected names. |
B. |
Choose 30 girls on the basketball team. |
| |
|
C. |
Choose 30 gymnasts at the school. |
D. |
Choose 30 girls in the cafeteria at noon. |
| |
|
Hint |
|
| |
2. |
Suppose a number cube is rolled and two coins are tossed. Find the number of possible outcomes. |
| |
|
A. |
2 |
B. |
4 |
| |
|
C. |
12 |
D. |
24 |
| |
|
Hint |
|
| |
3. |
How many different ways can you arrange the letters in the word compare? |
| |
|
A. |
4! |
B. |
5! |
| |
|
C. |
6! |
D. |
7! |
| |
|
Hint |
|
| |
4. |
How many different 3-card hands can be dealt from a standard deck of 52 cards? |
| |
|
A. |
265,200 |
B. |
11,050 |
| |
|
C. |
132,600 |
D. |
22,100 |
| |
|
Hint |
|
| |
5. |
In a standard deck of 52 cards, what is the probability of drawing one ace after another ace on two draws? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
6. |
A card is drawn at random from a standard deck of playing cards. What is the probability of drawing a King? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
A bag contains 3 red marbles, 2 white marbles, and 7 blue marbles. If a marble is chosen at random, what is the probability of selecting a white marble? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
How many outfits are possible when choosing from five shirts, four pairs of shorts, and six pairs of socks? |
| |
|
A. |
15 |
B. |
54 |
| |
|
C. |
360 |
D. |
120 |
| |
|
Hint |
|
| |
9. |
How many ways can you arrange the letters in the word compatible? |
| |
|
A. |
39,916,800 |
B. |
362,880 |
| |
|
C. |
100 |
D. |
3,628,800 |
| |
|
Hint |
|
| |
10. |
How many different 4-member committees can be chosen from a panel of 10 people? |
| |
|
A. |
210 |
B. |
420 |
| |
|
C. |
30 |
D. |
40 |
| |
|
Hint |
|
| |
11. |
When randomly drawing from a standard deck of 52 playing cards, what is the probability of drawing a 9 four times in a row if the cards are not replaced? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
12. |
The chart shows the data from rolling a number cube. What is the experimental probability of rolling a 2? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
13. |
What is the theoretical probability of rolling a number cube two times and getting a 3 on both occasions? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
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. |
| |
|
A. |
The sample is biased because it is a voluntary response sample. |
| |
|
B. |
The sample is unbiased because it is voluntary response sample. |
| |
|
C. |
The sample is biased because it is a convenience sample. |
| |
|
D. |
The sample is unbiased because it is a convenience sample. |
| |
|
Hint |
|
|
|