Question: LetthejointprobabilitydensityfunctionofrandomvariablesXandYbegivenby fxy 2 if0yx1 0 elsewhere Section 81 Joint Distributions of Two Random Variables 307 a Calculatethe marginal probabilitydensity functionsof X and Y respectively b

LetthejointprobabilitydensityfunctionofrandomvariablesXandYbegivenby fxy 2 if0yx1 0 elsewhere Section 81 Joint Distributions of Two Random Variables 307 a Calculatethe marginal probabilitydensity functionsof X and Y respectively b FindEXand EY c Calculate PX12PX2YandPX Y

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