Predict the number of times an event happens
Year 8 maths · Fieldbook Learning
Name ______________________ Date __________
Multiply the probability by the number of trials.
- In 50 trials, heads came up 32 times. Using this result, how many times would you expect heads in 400 trials? (A number; it may be a decimal.)
- In 25 trials, a hit came up 7 times. Using this result, how many times would you expect a hit in 150 trials? (A number; it may be a decimal.)
- In 25 trials, a red spin came up 19 times. Using this result, how many times would you expect a red spin in 75 trials? (A number; it may be a decimal.)
- In 50 trials, a red spin came up 16 times. Using this result, how many times would you expect a red spin in 450 trials? (A number; it may be a decimal.)
- In 60 trials, a red spin came up 56 times. Using this result, how many times would you expect a red spin in 480 trials? (A number; it may be a decimal.)
- In 40 trials, a hit came up 1 times. Using this result, how many times would you expect a hit in 160 trials? (A number; it may be a decimal.)
- In 30 trials, heads came up 17 times. Using this result, how many times would you expect heads in 90 trials? (A number; it may be a decimal.)
- In 20 trials, a hit came up 12 times. Using this result, how many times would you expect a hit in 160 trials? (A number; it may be a decimal.)
- In 75 trials, heads came up 45 times. Using this result, how many times would you expect heads in 525 trials? (A number; it may be a decimal.)
- In 24 trials, a red spin came up 2 times. Using this result, how many times would you expect a red spin in 192 trials? (A number; it may be a decimal.)
- In 75 trials, a six came up 59 times. Using this result, how many times would you expect a six in 750 trials? (A number; it may be a decimal.)
- In 24 trials, heads came up 21 times. Using this result, how many times would you expect heads in 144 trials? (A number; it may be a decimal.)
- In 90 trials, a six came up 11 times. Using this result, how many times would you expect a six in 810 trials? (A number; it may be a decimal.)
- In 24 trials, heads came up 10 times. Using this result, how many times would you expect heads in 216 trials? (A number; it may be a decimal.)
- In 120 trials, a hit came up 1 times. Using this result, how many times would you expect a hit in 600 trials? (A number; it may be a decimal.)
- In 24 trials, a red spin came up 14 times. Using this result, how many times would you expect a red spin in 168 trials? (A number; it may be a decimal.)
- In 240 trials, a six came up 100 times. Using this result, how many times would you expect a six in 2160 trials? (A number; it may be a decimal.)
- In 48 trials, a red spin came up 41 times. Using this result, how many times would you expect a red spin in 144 trials? (A number; it may be a decimal.)
- In 48 trials, heads came up 39 times. Using this result, how many times would you expect heads in 336 trials? (A number; it may be a decimal.)
- In 180 trials, a red spin came up 115 times. Using this result, how many times would you expect a red spin in 1800 trials? (A number; it may be a decimal.)