(A) Ra ndorn variables L and X have joir1t P MFFor
Chapter 7, Problem 7.3(choose chapter or problem)
(A) Ra ndorn variables L and X have joir1t P MFFor randorr1 variable V = LX, \Ve define the event A = {V > 80}. F ir1d thecondit ional P MF PL ,XIA(l, x) . \i\That a r e E[VIA] arid Var[VIA]? (B) Randorri variables X and Y have the joint PDF For random variable W = XY, v.re define the event B = {vV > 80}. Firid t heconditional joint PDF f x ,YIB(:i;, y). vVhat are E[vVIB] arid var[WIB]?
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