AI Study GuruUnderstand the idea
When individual outcomes are equally likely, probability is favourable outcomes divided by total outcomes. A probability must be between zero and one.
See a worked example
A bag has 3 red and 5 blue balls. P(red) = 3/(3 + 5) = 3/8.
A useful check
Use the total number of balls as the denominator, not only the unwanted colour.
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