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### 23 Cards in this Set

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 set a well defined collection of objects (represented by a captial letter) elements the objects in a set (represented by a lower case letter) equal sets 2 or more sets that contain exactly the same elements; the order in ehich the elements are listed in irrelevent empty or null set the set that contains no elements universal set the set of all elements of interest in a particular discussion disjoint sets sets that have no elements in common; the intersection of a disjoint set is the nullset complement of a set A the set of all elements in the universal set the do not belong to the set A A is a subset of B if A__B then every element in A is in B ans A can be equal to B A is a proper subset of B is A__B, then every element in A is in B and A must be "smaller" than B Experiment an activity with abservable results trial each repetition of an experment __ an element of the set __ not an element of the set __ a subset of the set __ a proper subset of the set sample space the set of all possible outcomes of an experiment (in set theory this was the universal set) simple outcome (sampile point) the result of an experiment or a single element in the sample space event a subset of the sample space(a set of outcomes) mutually exclusive events (M.E.) events that have no outcomes in common(the therm used in set theort was disjointed sets) certain event an event that has a probability of 1.0 impossible event an event that has a probability of 0 theoretical probability the probability that is assigned to an event throught the use of theoretical means (i.e. equations or formulas) empirical probability the probability that is assigned to an event using past experiences of the gathering data