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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. |
2:7 |
D. |
4:5 |
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Hint |
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2. |
Find the odds of rolling a number greater than or equal to four on a number cube. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
The student council advisor needs to appoint two council members to be officers: one president and one vice-president. Student council consists of six members. How many possible ways are there for the advisor to fill the offices? |
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A. |
11 |
B. |
2 |
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C. |
30 |
D. |
720 |
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Hint |
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4. |
A bag contains 10 red marbles, 5 gray marbles, 12 black marbles, and 8 white marbles. Two marbles are randomly drawn from the bag without replacement. What is the probability of drawing a white marble followed by a marble that is not black? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling a number greater then three? |
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A. |
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B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a six? |
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A. |
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B. |
 |
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C. |
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D. |
 |
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Hint |
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7. |
The set of all possible outcomes of a probability experiment is called a ______?_________. |
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A. |
odds |
B. |
simulation |
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C. |
experimental probability |
D. |
sample space |
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Hint |
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8. |
In a game a player tosses a number cube and chooses one of 26 alphabet cards. What is P(even number, A, B or L)? |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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9. |
A student has 4 pants, 5 shirts and 3 pairs of shoes to choose from. How many different outfits can be selected? |
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A. |
23 |
B. |
30 |
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C. |
60 |
D. |
12 |
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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. |
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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 be undecided? |
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A. |
102,000 |
B. |
170 |
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C. |
1700 |
D. |
10,200 |
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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? |
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A. |
300,000 |
B. |
180,000 |
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C. |
18,000 |
D. |
300 |
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Hint |
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13. |
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. |
90,000 |
B. |
1523 |
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C. |
1140 |
D. |
50,254 |
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Hint |
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14. |
Two children are playing with a bag of four marbles. One is white, 2 are blue and 1is red. Each child takes a marble from the bag. The child with a blue marble receives 2 points. Otherwise the child loses one point. Is the game fair? Why or why not? |
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A. |
yes; The expected value is equal to zero. |
B. |
no; The expected value is equal to zero. |
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C. |
no; The expected value does not equal zero. |
D. |
yes; The expected value does not equal zero. |
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Hint |
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