Question
be X,Y aletory variables which satisfy Cov(X,Y)=0;E(X)=E(Y)= ;V(X)=(G 1 ) 2 ;V(Y)=(F 2 ) 2 out of all the random variables that satisfy X+(1- )Y
be X,Y aletory variables which satisfy
Cov(X,Y)=0;E(X)=E(Y)= ;V(X)=(G1)2;V(Y)=(F2)2
out of all the random variables that satisfy
X+(1- )Y with [0,1] .
determine what minimizes the expression
E[( X+(1- )Y-)2]
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A Survey of Mathematics with Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
10th edition
134112105, 134112342, 9780134112343, 9780134112268, 134112261, 978-0134112107
