FINITE MATHEMATICS FINAL EXAM correct answers

FINITE MATHEMATICS FINAL EXAM Sets - correct answers collection of things (called members or elements) empty set - correct answers has no elements, there is only 1 empty set natural numbers - correct answers positive whole numbers, start at 1 universal set - correct answers domain of discourse for a set, frame of reference subset - correct answers A is a subset of B if every element of A is also in B rule with subsets - correct answers if a set has "n" elements, then it has 2^n subsets Complement of A - correct answers A' ; everything that is not in A is the complement of A Complement of the empty set - correct answers the universal set! Intersection - correct answers AND! common ground; the intersection of A + B is (A (upside down U) B) Union - correct answers OR! you can do both/have elements in both (AUB) disjoint sets - correct answers two sets are disjoint if sets A and B have nothing in common Union Rule - correct answers n(AUB) = n(A) + n(B) - n(A upside down u B) the union rule is the number of elements in a plus the number of elements in b minus the overlap experiment - correct answers an activity with observable results trial - correct answers each repetition of an experiment outcomes - correct answers possible results of an experiment sample space - correct answers set of all outcomes, use s event - correct answers subset of sample space, set of outcomes probability - correct answers likeliness of an event occurring basic probability principle - correct answers if all outcomes are equally likely for any event (e), then p(e) = n(e) / n(s)