Predict from a random sample

Use the fraction found in the sample on the whole population.

1. In a random sample of 50 students, 34 walk to school. The school has 750 students. About how many students in the school would you predict walk to school? (Write a number; it may be a decimal.)
2. In a random sample of 100 students, 34 own a bike. The school has 1600 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)
3. In a random sample of 100 students, 87 walk to school. The school has 900 students. About how many students in the school would you predict walk to school? (Write a number; it may be a decimal.)
4. In a random sample of 25 students, 19 prefer pizza for lunch. The school has 225 students. About how many students in the school would you predict prefer pizza for lunch? (Write a number; it may be a decimal.)
5. In a random sample of 40 students, 35 prefer pizza for lunch. The school has 640 students. About how many students in the school would you predict prefer pizza for lunch? (Write a number; it may be a decimal.)
6. In a random sample of 100 students, 46 own a bike. The school has 1700 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)
7. In a random sample of 50 students, 38 own a bike. The school has 1000 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)
8. In a random sample of 20 students, 2 own a bike. The school has 100 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)
9. In a random sample of 25 students, 5 own a bike. The school has 150 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)
10. In a random sample of 50 students, 8 prefer pizza for lunch. The school has 550 students. About how many students in the school would you predict prefer pizza for lunch? (Write a number; it may be a decimal.)
11. In a random sample of 40 students, 30 own a bike. The school has 160 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)
12. In a random sample of 100 students, 78 walk to school. The school has 1800 students. About how many students in the school would you predict walk to school? (Write a number; it may be a decimal.)
13. In a random sample of 20 students, 17 have a pet. The school has 520 students. About how many students in the school would you predict have a pet? (Write a number; it may be a decimal.)
14. In a random sample of 20 students, 10 walk to school. The school has 340 students. About how many students in the school would you predict walk to school? (Write a number; it may be a decimal.)
15. In a random sample of 25 students, 19 own a bike. The school has 650 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)
16. In a random sample of 50 students, 44 have a pet. The school has 1150 students. About how many students in the school would you predict have a pet? (Write a number; it may be a decimal.)
17. In a random sample of 100 students, 13 prefer pizza for lunch. The school has 1900 students. About how many students in the school would you predict prefer pizza for lunch? (Write a number; it may be a decimal.)
18. In a random sample of 50 students, 42 have a pet. The school has 1800 students. About how many students in the school would you predict have a pet? (Write a number; it may be a decimal.)
19. In a random sample of 25 students, 18 own a bike. The school has 700 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)
20. In a random sample of 50 students, 20 own a bike. The school has 700 students. About how many students in the school would you predict own a bike? (Write a number; it may be a decimal.)