Expected number from a theoretical probability
Year 7 maths · Fieldbook Learning
Name ______________________ Date __________
Multiply the probability by the number of trials.
- The probability of a spinner landing on blue is 1/2. If it is spun 20 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 3/5. If it is spun 15 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 1/2. If it is spun 12 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 5/10. If it is spun 70 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 5/9. If it is spun 36 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 10/12. If it is spun 120 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 5/9. If it is spun 81 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 1/5. If it is spun 30 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 4/12. If it is spun 96 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 3/6. If it is spun 24 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 1/11. If it is spun 132 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 8/9. If it is spun 54 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 4/12. If it is spun 48 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 8/14. If it is spun 98 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 9/18. If it is spun 36 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 4/16. If it is spun 192 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 21/24. If it is spun 192 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 15/22. If it is spun 220 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 6/18. If it is spun 72 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)
- The probability of a spinner landing on blue is 6/13. If it is spun 26 times, how many times would you expect it to land on blue? (A number; it may be a decimal.)