1) A union B is denoted by? a) 𝑨 ∪ 𝑩 b) 𝑨 ∩ 𝑩 c) A + B 2) A intersection B is denoted by? a) 𝑨 ∪ 𝑩 b) 𝑨 ∩ 𝑩 c) A + B 3) What is probability? a) is any well-defined collection of objects b) is a measure or estimation of how likely that an event will occur or happen. c) is the set of all possible outcomes of an experiment. 4) What is the formula of simple probability? a) b) 5) What is the formula of compound probability? a) b)

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