# STAT2593 Lecture Notes - Lecture 1: Confidence Interval, Memory Card

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14 Jun 2016
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## Document Summary

X x : standard deviation : square root of variance n 1 i n 1 i. 66 twice: always defined by capital letter a,b,c, union: A b: read as a or b , not allowed to write "0 to 5" for {0,1,2,3,4,5, example, a = {0,1,2,3,4, b = {3,4,5,6, c = {1,3,5} A b a and b: from example above, A c =1,3: complement, for an event a, complement of a is defined by a " or ac, anything but a , using the example again, say sample space is s = {0,1,2,3,4,5,6, a" = {5,6, mutually exclusive events. A b={ : empty sets are defined by phi, not zero. Section 2. 2: axiom, s = {h,t, p(h) = = number of possibilities over number of total outcomes. 0 p a 1: proposition, p(a") = p(s) p(a) = 1 p(a, if a and b are mutually exclusive, p(a and b) = 0.

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