A ∩ B: the joint event of A and B (look the image below) The Venn diagram which shows the event of A ∩ B. The derivation of the formula So the meaning of P(A | B) is the probability of the event A ...

a priori Probability: the probability that we determine from knowing the process by which the uncertain event happens (by logically examining existing information). Certain Event: event that is sure ...

Studies axioms, counting formulas, conditional probability, independence, random variables, continuous and discrete distribution, expectation, joint distributions, moment generating functions, law of ...