Transcription of Session 2: Probability distributions and density …
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Session2: p. :Probabilitydistributionsanddensityfunct ions p. :Probabilitydistributionsanddensityfunct ions p. 3 RandomvariablesSession2:Probabilitydistr ibutionsanddensityfunctions p. 4 RandomVariablesA randomvariableis ,thevalueofthefirstrollofa ,thesumofa rolloftwo ,therollofa dice,ortheoutcomeofahorserace, ,thenumberofwhitehaironmyhead,orhow muchdividendINFOSYSTCH willannouncenextyear, :ContinuousRVscanhave a fixedminimumormaximum,however, :Probabilitydistributionsanddensityfunct ions p. 5 ProbabilitydistributionsSession2:Probabi litydistributionsanddensityfunctions p. 6 Whatis a probabilitydistribution?Fora discreteRV, theprobabilitydistribution(PD)isa ,intherollofa die:ValueProbabilityValueProbability11/6 41/621/651/631/661/6A probabilitydistributionwillcontainallthe outcomesandtheirrelatedprobabilities, :Probabilitydistributionsanddensityfunct ions p.
Recap The definition and scope of probability in the domain of an event space. Basic properties of probability Notion of mutually exclusive Notion of conditional and unconditional probability
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