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1. |
Marisa has 2 pennies, 4 nickels, and 5 dimes in her pocket. How many different arrangements are possible if she removes one coin at a time from her pocket? |
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A. |
6930 |
B. |
3465 |
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C. |
39,916,800 |
D. |
13,860 |
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Hint |
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2. |
How many ways can 8 people be seated at a round table if one position has a phone? |
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A. |
120 |
B. |
720 |
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C. |
5040 |
D. |
40,320 |
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Hint |
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3. |
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? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
The probability of being accepted to attend City College is  . What are the odds against being accepted? |
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A. |
 |
B. |
|
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C. |
 |
D. |
 |
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Hint |
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5. |
Sharon tossed three coins. What is the probability that she tossed exactly two tails, given that she tossed at least 1 tail? |
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A. |
|
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
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. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
If you roll a number cube and then flip a coin, how many outcomes are possible. |
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A. |
8 |
B. |
6 |
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C. |
36 |
D. |
12 |
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Hint |
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8. |
A suitcase contains a combination lock that uses the numbers 0 through 9, inclusive, for a 4 digit combination. How many different combinations are there possible if no digit may be repeated. |
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A. |
1,600 |
B. |
40 |
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C. |
5,040 |
D. |
3,210 |
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Hint |
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9. |
Find the probability of picking a fashion magazine, then a sports magazine from a stack of 12 fashion, 9 sports, and 10 home and garden magazines. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Find the probability of choosing either a blue ball or a green ball from a bag containing 3 blue, 5 green, 1 red, and 7 yellow balls. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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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. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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12. |
Kevin has an email account and checks his email several times per day. The probability of Kevin receiving an email from his friends is . Suppose he checks his email 6 times in a day. Find the probability that Kevin gets a message at least 4 of the times he checks his email throughout the day. |
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A. |
0.54432 |
B. |
0.5 |
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C. |
0.53962 |
D. |
0.4996 |
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Hint |
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