Topic 46Mathematics (Edexcel)
Probability
Probability — Edexcel International A-Level Mathematics (Unit 8 / Statistics 1 (S1)). Covers: Events and Probability Rules; Conditional Probability.
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Events and Probability RulesSign up
understand the language of probability: sample space, outcomes, mutually exclusive events, exhaustive events, complementary events · be able to use the addition rule P(A ∪ B) = P(A) + P(B) - P(A ∩ B) and the multiplication rule for independent events P(A ∩ B) = P(A) P(B)
40 min
Conditional ProbabilitySign up
be able to use conditional probability P(A | B) = P(A ∩ B) / P(B), interpret the result and assess independence by comparing P(A | B) with P(A) · be able to draw and interpret tree diagrams and Venn diagrams to solve probability problems
40 min