(1)
F ( X ) = E ( x ) E min × E a v g
(2)
F ( X ) = E ( x ) E min
(3)
F ( X ) = E min × E a v g E ( X )
(4)
F ( X ) = E a v g E min × E ( X )
(5)
F ( X ) = 1 E min × E ( X ) + E a v g
(6)
F ( X ) = 1 E min × E ( X )
(7)
F ( X ) = E min E ( X )