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Unformatted text preview:  any outcome in one event is excluded from the other event Addition Rule ) ( ) ( ) ( ) ( B A P B P A P B A P ∩+ = ∪ Independence if ) ( ) ( B A P A P ⊥ = then it is independent Multiplication Rule ) ( ) ( ) ( A B P A P B A P ⊥ ⋅ = ∩ Random Variable a variable that assumes numerical values based on the outcome • Continuous it assumes values within a range of values on number line (no gaps or holes) • Discrete has a finite number of values Probability Distribution define a random variable and have all of its values have all its probabilities 1 ) ( ) ( ≤= ≤ x X P x P • “OR” means ADD • “AND” means MULTIPLY Binomial Experiment 1. must be able to perform “n” times with same result 2. trials MUST be INDEPENDENT; probability of success on any trial is same 3. RV counts # successes...
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 Fall '08
 Krallman
 Standard Deviation, Mean, Probability theory

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