Consensus?: IRV vs. Primary w/Runoff

[DEMOREP1 at aol.com]

Forest wrote in part-

I don't claim that Runoff will always pick the CW, only more often than
IRV.
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D- So what are the odds that a CW will be in the final 2 with IRV or in the 
top 2 with Runoff ???

As usual I note that a single winner choice either gets a YES majority (of 
desired votes plus compromise votes) or it does not.