T-----------he -----------ran-----------dom----------- va-----------ria-----------ble-----------s -----------and----------- h-----------ave----------- th-----------e j-----------oin-----------t p-----------rob-----------abi-----------lit-----------y d-----------ens-----------ity----------- fu-----------nct-----------ion----------- ----------- Us-----------e t-----------he -----------giv-----------en -----------joi-----------nt -----------pro-----------bab-----------ili-----------ty -----------den-----------sit-----------y f-----------unc-----------tio-----------n o-----------f -----------and----------- a-----------nd ----------- sh-----------ow -----------tha-----------t t-----------he -----------var-----------iab-----------les----------- a-----------nd -----------are----------- de-----------pen-----------den-----------t. ----------- Fr-----------om -----------the----------- gi-----------ven----------- in-----------equ-----------ali-----------tie-----------s -----------we -----------hav-----------e, ----------- If----------- t-----------hen----------- -----------If -----------the-----------n ----------- If----------- th-----------en ----------- T-----------o s-----------how----------- th-----------at -----------the----------- a-----------nd -----------are----------- de-----------pen-----------den-----------t ,----------- sh-----------ow -----------tha-----------t .----------- Th-----------at -----------is,----------- th-----------e p-----------rod-----------uct----------- of----------- th-----------e m-----------arg-----------ina-----------l i-----------s n-----------ot -----------equ-----------al -----------to -----------the----------- jo-----------int----------- de-----------nsi-----------ty -----------fun-----------cti-----------on.----------- N-----------ow,----------- fr-----------om -----------the----------- de-----------fin-----------iti-----------on -----------of -----------mar-----------gin-----------al,----------- th-----------e m-----------arg-----------ina-----------l