econometric chapter3.doc

econometric chapter3 导读：就爱阅读网友为您分享以下“econometric chapter3”的资讯，希望对您有所帮助，感谢您对92的支持! ?(x+y)/βex≥0,y≥0,β2 FindthepdfofU=X+Y. ?ANS:Forugt;0, fU(u)= =??otherwise..∞???∞u 0fXY(u?v,v)dv1 β?u/βue.2 U=X+YfollowsaGamma(2,β)distribution. 47 v?uv. –Thejointpdfof(U,V)is fUV(u,v)=1 |v| 48fXY(v,u/v)dv. . Chapter3MultipleProbabilityDistributions 1 S HHT21XYTTH11 HTT12 THH20 7 00082118800 εδ whenε,δaresmall.P{(X,Y)∈(x?0.5ε,x+0.5ε)×(y?0.5δ,y+0.5δ)}