This task is about the probability of something happening.
Ina had a spinner with five different colours on it. Each time she spun the arrow she recorded where it landed.
The table below shows her results.
Where the arrow landed | Frequency |
on the colour black | 13 |
on the colour white | 21 |
on the colour grey | 14 |
on the colour yellow | 20 |
on the colour red | 22 |
on a line | 10 |
Use the data in the table above to answer the following questions. |
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a) |
Two possible events are "landing on black" and "landing on white".
List all the other possible events.
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b) |
How many times did Ina spin the arrow? __________
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c) |
Based on Ina's results, what is the probability of the arrow landing on ...
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i) ii) |
the colour black? __________ a line? __________ |