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Probability involves the study of the laws of chance and is a measure of the
likelihood of an event happening.
Rather than use words to describe the chance of an event happening you can give
probability as a number, usually written as a fraction or decimal, between 0 and…

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2. Independent events are events, which do not affect each other e.g. tossing a coin
and throwing a die.

To find the probability that two independent events will happen we multiply
their respective probabilities

P(A and B) = P(A) * P(B)

Tree diagrams

Listing outcomes can be a very hazardous…


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