math 30 lecture 4

# math 30 lecture 4 - PROBABILITY AND STATISTICS SET:...

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PROBABILITY AND STATISTICS SET: DEFINITIONS AND PROPERTIES MATH 30: PROBABILITY AND STATISTICS

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SET any collection of distinct objects. ordering of elements are unnecessary. ° 1 = *±,2,3,4, … + ° ² = *2,4,6,8+ ° ³ = *4,2,6,8+ Note: ° 1 is an infinite set while ° ² and ° ³ are finite. ° ² and ° ³ are technically the same. MATH 30: PROBABILITY AND STATISTICS
Rule method – describes a set by some rule. Roster method – list down all the elements in a set. Rule: ° ° ݅? ? ?±?݅²݅³´ ݅µ²´¶´· ¸´?? ²??µ 6+ Roster: *2,3,4,1,5+ |°| describes the set’s cardinality, i.e., the number of elements in a set. MATH 30: PROBABILITY AND STATISTICS

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Empty (null) set is the set containing no elements, denoted by or . Two sets A and B are equal, ? = ?, if A and B have the same elements. Two sets A and B are equivalent if A and B have the same cardinality. MATH 30: PROBABILITY AND STATISTICS
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## This note was uploaded on 08/30/2011 for the course COMPUTER computer taught by Professor Ms during the Spring '10 term at Oxford University.

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math 30 lecture 4 - PROBABILITY AND STATISTICS SET:...

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