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1. |
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. |
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B. |
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C. |
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D. |
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2. |
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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A. |
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B. |
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C. |
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D. |
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3. |
Find the odds of rolling a number greater than or equal to four on a number cube. |
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A. |
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B. |
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C. |
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D. |
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4. |
A bag contains 7 purple marbles, 5 yellow marbles, 3 white marbles, and 1 black marble. What is the probability of randomly selecting a marble that is not purple? |
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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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5. |
In how many different ways can someone arrange 8 books on a shelf? |
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A. |
4,096 |
B. |
36 |
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C. |
40,320 |
D. |
362,880 |
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6. |
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 gray marble followed by another gray marble? |
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A. |
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B. |
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C. |
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D. |
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7. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling a one? |
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A. |
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B. |
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C. |
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D. |
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8. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a four? |
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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. |
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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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 first marble is yellow and the second marble is green? |
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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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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 or Jones? |
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A. |
39,000 |
B. |
650 |
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C. |
390,000 |
D. |
650,000 |
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Hint |
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12. |
A movie company polled 700 of its 500,000 moviegoers to select their favorite type of movie. The results are shown in the chart. How many moviegoers can be expected to see a comedy? |
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A. |
19,643 |
B. |
275 |
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C. |
196,429 |
D. |
275,000 |
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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. |
50,254 |
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C. |
1140 |
D. |
1523 |
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Hint |
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14. |
A chess club is thinking of selling magazines as a fundraiser. The company states the probability of making $6,000 is 0.67 and the probability of losing $2500 is 0.27. The company claims that on average any club makes over $5000. Is this claim accurate? Why or why not? |
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A. |
yes; The expected value was over $5000 |
B. |
yes; The expected value is under $5000. |
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C. |
no; The expected value is under $5000. |
D. |
no; The expected value was over $5000. |
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Hint |
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