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1. |
What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
2:5 |
B. |
4:7 |
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C. |
4:5 |
D. |
2:7 |
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Hint |
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2. |
If a die and coin are tossed, what is the probability of rolling an even number on the die and heads on the coin? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
A weather forecaster states that the probability of rain is 30%. What are the odds that it will rain? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Tabitha and Paco are in a video game room that consists of 10 games. If they only have enough money to play 6 games, how many ways can they play each of the 6 games once? |
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A. |
3,628,800 |
B. |
151,200 |
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C. |
30,240 |
D. |
720 |
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Hint |
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5. |
A composition teacher needs to choose 10 students out of 15 to serve as rough draft reviewers. A group of 10 seniors, 3 juniors, and 2 sophomores have volunteered. If the students are chosen randomly, what is the probability that 6 seniors, 2 juniors, and 2 sophomores will be selected? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling a three? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a number that is greater then or equal to five? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
The set of all possible outcomes of a probability experiment is called a ______?_________. |
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A. |
experimental probability |
B. |
sample space |
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C. |
odds |
D. |
simulation |
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Hint |
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9. |
A bag of marbles has 4 blue marbles, 1 red marble, 5 green marbles and 6 orange marbles. One marble is taken from the bag. It is not replaced. Then another marble is taken from the bag. What is the probability that both marbles are orange? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
A bag of marbles has 4 blue marbles, 1 red marble, 5 green marbles and 6 orange marbles. One marble is taken from the bag. It is not replaced. Then another marble is taken from the bag. What is the probability that the first marble is red and the second marble is green? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Polltakers asked 1000 of the 600,000 registered voters about their preferences in the upcoming election. The results are shown in the chart. How many voters can be expected to vote for Smith? |
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 |
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A. |
210,000 |
B. |
350 |
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C. |
3500 |
D. |
21,000 |
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Hint |
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12. |
Polltakers asked 1000 of the 600,000 registered voters about their preferences in the upcoming election. The results are shown in the chart. How many voters can be expected to vote for Jones or Brown? |
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 |
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A. |
480,000 |
B. |
288,000 |
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C. |
480 |
D. |
28,800 |
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Hint |
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13. |
Based on past sweepstakes a company expects 10,000 entries. Find the expected values of Sweepstake C shown in the chart. Round to the nearest ten thousandth. |
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 |
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A. |
0.22 |
B. |
2.04 |
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C. |
0.36 |
D. |
0.84 |
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Hint |
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14. |
A Las Vegas company states the probability of winning $60,000 is 0.012, the probability of winning $15,000 is 0.014.and the probability of winning $15,000 is 0.014. What is the expected value? |
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A. |
1523 |
B. |
50,254 |
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C. |
1140 |
D. |
90,000 |
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Hint |
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