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I think this is an apt question, given that Buster leads the Panel o' Experts: How much has Buster benefitted by luck?
For instance, if he has gotten 70% of his coin-flip games correct, he's in first place by random chance, while without it, he would be in the bottom half of the standings. On the other hand, if he has only gotten 50% of his coin-flip games correct... well, that's something that ANY prognosticator could do with his eyes closed.
So, King, which is it?