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1. |
What is the value of P(8, 4)? |
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A. |
1680 |
B. |
26 |
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|
C. |
6720 |
D. |
70 |
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Hint |
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2. |
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. |
39,916,800 |
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|
C. |
3465 |
D. |
13,860 |
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Hint |
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3. |
How many four-letter patterns can be formed from the letters of the word teen if t must always be the first letter? |
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A. |
12 |
B. |
48 |
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|
C. |
6 |
D. |
3 |
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Hint |
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4. |
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. |
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A. |
 |
B. |
 |
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|
C. |
 |
D. |
 |
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Hint |
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5. |
In Mr. Jonas' homeroom, 70% of the students have brown hair, 25% have brown eyes, and 5% have both brown hair and brown eyes. A student is excused early to go to a doctor's appointment. If the student has brown hair, what is the probability that the student also has brown eyes? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
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? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
What is the value of C(8, 4)? |
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|
A. |
70 |
B. |
6720 |
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|
C. |
1680 |
D. |
26 |
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Hint |
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8. |
Using a standard deck of 52 cards, find probability of choosing a card with a value of 8 or less. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
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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10. |
Using a standard deck of 52 cards, find the probability of choosing 2 cards that are both black or both kings, without replacement. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Find the probability of randomly picking 3 kittens of which at least 2 are female kittens, from a group of 7 male kittens and 5 female kittens. |
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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. |
0.4996 |
B. |
0.54432 |
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C. |
0.53962 |
D. |
0.5 |
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Hint |
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