Do ranked and norms share the same mmr?

I keep getting shitty team mates despite making it to plat 2 last season and the more games those shitty team mates lose the worse team mates I get. But norms are so damn easy to win that I thought that I could easily get my mmr to 2000+ in norms and then I will get good team mate again because norms and ranked seem to share the same mmr. Is this thinking right?
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