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Formula_Sheet_for_Midterm_II_S2011 - Formula Sheet for the...

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Unformatted text preview: Formula Sheet for the Second Midterm Complementation Law: P ( A C ) 1 P ( A) Addition Law: P( A B) P( A) P(B) P( A B) Conditional Probability: P( A | B) P( A B) P ( B) If events A and B are Independent then If events A and B are Disjoint (Mutually Exclusive) then Expectation or Expected Value or Mean: E ( X ) xP( x) Variance: E X E ( X ) , Where E ( X ) x 2 P ( x) Standard Deviation: If X has a Binomial Distribution with probability of success p and n number of trials then: 1. 2. The mean is 3. The variance where 4. Standard deviation n. p.q x 2 2 2 2 2 x 2 Bayes Theorem: ...
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