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Maths Techniques 2 (Probability (Sample Space - The set of all outcomes.…
Maths Techniques 2
Probability
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Independent Experiments - Probability of 2 or more independent events. Eg. Rolling 2 dice. p(AxB) = p(A) x p(B)
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Partly Dependant - Eg. 2 white balls, 1 black. Taking one and not returning it. Probability is based on what the outcome was, but they get updated
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Functions
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Injective - Every a maps to a unique b, so no two values are mapped to the same b
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Single Valued - For every a, there must be only one b. But Every b can have multiple a's
Definedness - For every a in A, there must be a B in b so that (a,b) in R
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