Intro to Probability
c(n, k) represents the number of combinations of n items taken k at a time, often referred to as 'n choose k'. This notation is crucial in understanding how to count selections where the order of selection does not matter, connecting deeply with the ideas of counting principles and binomial coefficients. Combinations are fundamental when determining probabilities in various scenarios, as they allow us to find how many ways we can choose subsets from a larger set without considering the arrangement of those subsets.
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