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Unformatted text preview: Addition rule: ( 29 ( 29 ( 29 j i j i x x x x Prob Prob or Prob + = Multiplication rule: ( 29 ( 29 ( 29 j i j i x x x x Prob Prob and Prob = Expected value E ( X ) or ( 29 ( 29 = = N i i i x x X E 1 Prob Variance 2 and standard deviation . ( 29 ( 29 = = N i i i x x 1 2 2 Prob 2 = Discrete R.V. Key Concepts 1 of 1 2009 Harvey Singer...
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 Fall '08
 SINGER

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