When calculating the probability of an event, the number of elements in the relevant region and the total number of elements in the universal set, 𝑛(𝜉), must be known. For example, the probability ...
The sum of the probabilities of all outcomes is 1. Independent events are those not affected by a previous event. The probability of two independent events both happening is 𝑃(A and B) = 𝑃(A) × 𝑃(B ...
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