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1. |
At the Truman Middle School, the lunch supervisor surveyed the 110 students in the seventh grade to find which school lunch they liked best. The table below shows the results. Find the inaccurate statement. |
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A. |
44% of the students preferred hamburgers. |
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B. |
The number of students who voted for pizza to the number of students who voted for hamburgers is 1:2. |
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C. |
Tuna casserole received about 18% less of the total vote than turkey sandwiches. |
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D. |
Seventeen more students preferred hamburgers than turkey sandwiches. |
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Hint |
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2. |
During Little League baseball, the Tigers and the Cubs finished the season atop the division. The Tigers won 11 games and lost 4. Because of a couple of rainouts, the Cubs won 10 games and lost 3. Find percent of the games both teams won. |
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A. |
Tigers 23%, Cubs 27% |
B. |
Tigers 27%, Cubs 23% |
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C. |
Tigers 73%, Cubs 77% |
D. |
Tigers 77%, Cubs 73% |
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Hint |
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3. |
Suppose biologists tagged 53 penguins in Antarctica during mating season. The next year, they caught 82 penguins and found that 11 of them had tags. Estimate the total number of penguins in the area. |
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A. |
395 |
B. |
405 |
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C. |
353 |
D. |
446 |
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Hint |
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4. |
Of the 1,500 registered voters who were polled in the city, 46% said they would vote for Lerman for mayor and 42% said they would vote for McMahon. Suppose the number of registered voters in the city is 2 million. How many registered voters would you expect to support Lerman? |
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A. |
690,000 |
B. |
630,000 |
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C. |
840,000 |
D. |
920,000 |
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Hint |
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5. |
To estimate the number of white-tailed deer in Minnesota, biologists captured and tagged 650 deer and then released them back into the woods. One year later, the biologists captured 300 deer and counted 6 deer with tags. Estimate the actual number of deer in the forest. |
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A. |
29,050 |
B. |
30,100 |
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C. |
32,500 |
D. |
30,600 |
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Hint |
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