. . "Washington Expectations 1. = ! = 2. ! = 3. ! ! ! ! ! ! ! ! ! = ! ! (! ) ! 4. + + = + + (); where X, Y and Z are RVs. 5. = (); where b is a constant and X is a RV. 6. = ; where b is a constant. ! 7. = ! = - ! !" . .