3225_midterm1_study

# 3225_midterm1_study - Study Sheet for Math 3225 Exam 1 Fall...

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Unformatted text preview: Study Sheet for Math 3225, Exam 1, Fall 2010 October 8, 2010 1. Know basic definitions and results from set theory; for example, know the two forms of de Morgan’s law, know distributive rule of intersection and union (whichs says A ∩ ( B ∪ C ) = ( A ∩ B ) ∪ ( A ∩ C ) and A ∪ ( B ∩ C ) = ( A ∪ B ) ∩ ( A ∪ C )). Also know injective, surjective, bijective maps, and how to prove that various maps have these properties. 2. Know the definition of a sigma algebra: S is a sigma-algebra means that i) S contains the empty set. ii) If A ∈ S , then A ∈ S iii) If A 1 ,A 2 ,... is a countable collection of sets in S , then their union blongs to S . 3. Know the Kolmogorov axioms of probability: P : σ → [0 , 1] is a probability measure from the sigma-algebra σ consisting of certain subsets of S (the sample space) if i) P ( S ) = 1 ii) If A 1 ,A 2 ,... is a disjoint collection of sets in σ , then P ( A 1 ∪ A 2 ∪ ··· ) = P ( A 1 ) + P ( A 2 ) + ··· ....
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## This note was uploaded on 10/23/2011 for the course MATH 3225 taught by Professor Staff during the Spring '08 term at Georgia Tech.

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3225_midterm1_study - Study Sheet for Math 3225 Exam 1 Fall...

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