| |
| |
1. |
Two number cubes are rolled twice. What is the probability of rolling doubles on the first roll and then rolling a sum of 5 on the second roll? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
2. |
There are 11 pennies, 7 nickels, and 9 dimes in a bowl. If 2 coins are selected at random, find the probability of selecting a nickel then a dime if the first coin is not replaced. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
A friend of yours has 26 slips of paper, one with each letter of the alphabet on it. You randomly select six of them, not replacing any. What is the probability that all six letters that you choose are consonants ('y' is a consonant, not a vowel)? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
Your friend has 26 slips of paper, one with each letter of the alphabet on it, and you pick three slips at random, allowing your friend to replace them randomly in the stack. What is the probability that you will choose the letter 'd' the first time, the letter 'o' the second time, and the letter 'g' the third time? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
You roll a number cube three consecutive times. What is the probability that you roll an even number the first two times and a 3 the last time? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|