| |
| |
1. |
What is the value of P(8, 4)? |
| |
|
A. |
26 |
B. |
70 |
| |
|
C. |
1680 |
D. |
6720 |
| |
|
Hint |
|
| |
2. |
A home security company offers a security system that uses the numbers 0 through 6, inclusive, for a 3-digit security code. How many different security codes are possible if no digit may be repeated? |
| |
|
A. |
210 |
B. |
35 |
| |
|
C. |
120 |
D. |
20 |
| |
|
Hint |
|
| |
3. |
How many ways can 5 people be seated at a round table? |
| |
|
A. |
240 |
B. |
120 |
| |
|
C. |
24 |
D. |
48 |
| |
|
Hint |
|
| |
4. |
How many different 6-digit numbers can have the digits 6,2,4,4,2, and 6? |
| |
|
A. |
720 |
B. |
180 |
| |
|
C. |
90 |
D. |
360 |
| |
|
Hint |
|
| |
5. |
A bag contains 2 yellow, 4 blue, and 3 white marbles. What is the probability that a marble selected at random will not be blue? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
6. |
Josie has 2 classical, 3 jazz, and 1 folk CD in her car. If she pulls 2 CDs from her CD case without looking, what is the probability that both CDs are jazz? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
What is the probability that one card drawn from a standard deck of cards will be a king or a diamond? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
Use the table below. Given that a student is in the seventh grade, what is the probability that she has brown eyes? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
The probability of tossing a head on a bent coin is 25%. Find the probability of getting 3 heads if the coin is tossed three times. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Francis guesses at all 6 true/false questions in a trivia game. What is the probability that he guesses correctly on at least 5 of the questions? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
11. |
During a particular hurricane in the Caribbean, a meteorologist determined that the odds of it hitting Jamaica are 2 to 3. What is the probability of this happening? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
12. |
A bag contains 6 blue marbles and 2 brown marbles. One marble is randomly drawn and discarded. Then a second marble is drawn. Find the probability that the second marble is blue given that the first marble drawn was blue. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|