Graabak, winner of the large hill individual competition earlier in the Games, held off Germany's Fabian Riessle by three-tenths of a second at the finish line.
The bronze medal went to Austria.
Joining Graabak on the winning team were Haavard Klemetsen, Magnus Krog and Magnus Hovdal Moan.
Attkisson leaves CBS News, reportedly over network's 'liberal bias'
Ohio bar shooting arrested, charged with murder