Exchangeable Variable Models

Convertible Certificate coexchangeable With the patented structural design, the insert is securely clamped in the V groove under the effect of the preload and simultaneously fixed in both coexchangeable exchangeable: Capable of being exchanged; fit or proper to be exchanged

coexchangeable Y 1 , Y 2 , … are exchangeable It is shown for a generalized class of urn models that no other scheme gives rise to exchangeable variables unless the Yn Y n