| |
| |
1. |
If you roll a number cube and then spin a 5-colored spinner with equal sections, how many outcomes are possible? |
| |
|
A. |
30 |
B. |
11 |
| |
|
C. |
180 |
D. |
5 |
| |
|
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. |
120 |
B. |
35 |
| |
|
C. |
20 |
D. |
210 |
| |
|
Hint |
|
| |
3. |
How many ways can 5 people be seated at a round table? |
| |
|
A. |
24 |
B. |
240 |
| |
|
C. |
48 |
D. |
120 |
| |
|
Hint |
|
| |
4. |
How many ways can 8 people be seated at a round table if one position has a phone? |
| |
|
A. |
720 |
B. |
120 |
| |
|
C. |
40,320 |
D. |
5040 |
| |
|
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. |
Determine the probability of choosing a penny or a nickel from 7 pennies, 2 nickels and 5 dimes. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
A card is chosen at random from a standard deck of cards. Determine the probability of choosing a red card, given that the card is an ace. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
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 |
|
| |
10. |
Using a standard deck of 52 cards, what are the odds of choosing a card with a value of 8 or less? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
11. |
A pair of number cubes is rolled. What is the probability that the sum is odd given that the sum is greater than or equal to 9. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
12. |
The probability of tossing a tail on a bent coin is . The coin is tossed 5 times. Find the probability of tossing exactly 3 tails. |
| |
|
A. |
0.2906 |
B. |
0.3114 |
| |
|
C. |
0.3292 |
D. |
0.3028 |
| |
|
Hint |
|
|
|