STAT265 : Chapter 2: Probability: Notes done in LaTeX
22 Dec 2011
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The sample points method . m n rule . Dividing n distinct objects into k distinct groups . We will use capital letters a, b, c, . to denote sets. If the elements in the set a are a1, a2, . S-the universal set, i. e. , the set of all elements under consideration. The null set, i. e. , the set consisting of no elements. We say a is a subset of b (denoted by a b) if every element in a is also in b. The union of a and b (denoted by a(cid:83)b) is the set of all points in a or b, or in both. A b = { a a, a b} The intersection of a and b (denoted by a(cid:84)b) is the set of all points in both a and b. A b = {c s; c a or c b} A is the set of all points that are in s but not in a.
