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1. |
What is the value of P(8, 4)? |
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A. |
26 |
B. |
6720 |
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C. |
1680 |
D. |
70 |
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Hint |
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2. |
How many different 6-digit numbers can have the digits 6,2,4,4,2, and 6? |
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A. |
180 |
B. |
360 |
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C. |
90 |
D. |
720 |
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Hint |
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3. |
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. |
13,860 |
B. |
3465 |
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C. |
6930 |
D. |
39,916,800 |
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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. |
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? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
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. |
40 |
B. |
1,600 |
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C. |
3,210 |
D. |
5,040 |
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Hint |
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7. |
Claire has 4 comedy, 6 drama, 3 horror, and 5 action DVDs. She randomly picks 2 to take with her to a friend's sleepover. Find the probability that she picks 1 drama and 1 action DVD. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
Find the probability of selecting an orange, replacing it, then selecting an apple from a bowl of 8 oranges and 6 apples. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Using a standard deck of 52 cards, find the probability of choosing a 10 given that the card is red. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
In Mrs. Lerman's classroom, 75% of the students wear watches, 30% wear eyeglasses, and 20% wear both watches and eyeglasses. A student is called to the board to explain a concept. If the student wears a watch, what is the probability that the student also wears eyeglasses? |
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A. |
 |
B. |
 |
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C. |
|
D. |
 |
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Hint |
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11. |
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. |
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A. |
0.3114 |
B. |
0.2906 |
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C. |
0.3028 |
D. |
0.3292 |
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Hint |
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12. |
Kathy guesses at all of the 10 questions on a multiple choice exam. Find the probability that she gets 3 questions correct if each question has 5 choices. |
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A. |
0.1843 |
B. |
0.1124 |
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C. |
0.1556 |
D. |
0.2013 |
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Hint |
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