Probability Fractions
11+ Maths, topic 5.1.2
Probability Fractions
For some events, we can express the chance of it happening as a fraction.
Equation for probability
- We will use the equation in the next slide to see how it works.
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Chance of a dice landing on '1'
- There is only one number '1' on a dice.
- So the number of ways the result can happen = 1.
- There are 6 sides on a dice.
- So the number of possible results = 6.
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Probability - dice landing on '1'
- This means the chance of rolling a dice and landing on '1' is 1⁄6.