MATH 107 Study Guide - Final Guide: Multimodal Distribution, Normal Distribution, Standard Deviation
17 Mar 2017
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Whole #"s- natural numbers including zero (0,1,2,3,4,5) Integers- positive and negative whole quantifiers (-3,-2,) Rational numbers- any numbers that can be expressed as an integer divided by another integers; zero isn"t included ( ,-5/17, 6/1) Irrational numbers- any real numbers that cannot be expressed as an integer/integer (not perfect squares, pi symbol) Ways of expressing sets: roster method- listing all elements separated by commas inside. Ex: the set of natural numbers less than 7 {1,2,3,4,5,6} Ex: the set of negative integers greater than -3 {-2,-1} Well-defined- clear rule that determines what belongs to a set, and what doesn"t. Ex: the set of integers that are multiples of 3. Ex: set of excellent teachers: set builder notation- the set of all integers greater than -3. Finite- numbers of elements in a set is a whole number. Cardinality- number of elements in a set. Equal- if two sets consist of exactly the same elements. Equivalent- if two sets have the same cardinality.
