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1. |
What is the probability that you roll an odd number on a six-sided number cube? |
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A. |
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B. |
3:1 |
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C. |
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D. |
1:1 |
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2. |
What is the probability of selecting a red or yellow marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
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B. |
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C. |
1:1 |
D. |
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3. |
Students at Garner Middle School are given the opportunity to determine the school's mascot, the mascot's name, and the school colors. The choices are narrowed down to those shown in the table below. What is the probability that the students will choose a lion named Gus for their mascot? |
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B. |
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C. |
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D. |
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4. |
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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D. |
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5. |
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 less than or equal to three? |
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B. |
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D. |
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6. |
The set of all possible outcomes of a probability experiment is called a ______?_________. |
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A. |
odds |
B. |
experimental probability |
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C. |
simulation |
D. |
sample space |
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Hint |
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7. |
How many possible outcomes are there when choosing white, wheat or rye bread and turkey or ham? |
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A. |
12 |
B. |
6 |
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C. |
9 |
D. |
5 |
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8. |
In a game a player tosses a number cube and chooses one of 26 alphabet cards. What is P(1 or 6, X or Y)? |
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A. |
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B. |
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C. |
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D. |
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9. |
A bag contains 2 green apples, 3 yellow apples and 5 red apples. An apple is taken from the bag and is not replaced. Then another apple is taken. What is P(red, then yellow)? |
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B. |
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C. |
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D. |
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10. |
A bag of marbles has 3 green marbles, 3 red marbles and 6 yellow 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 both marbles are red? |
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A. |
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B. |
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D. |
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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. |
1700 |
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C. |
10,200 |
D. |
170 |
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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 Smith? |
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A. |
350 |
B. |
21,000 |
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C. |
3500 |
D. |
210,000 |
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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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A. |
2.04 |
B. |
0.84 |
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C. |
0.36 |
D. |
0.22 |
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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. |
90,000 |
D. |
1140 |
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Hint |
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