I think there absolutely are people who can guess correctly, but how do you tell who they are and how many of them do you think are actually out there? I'd guess not many at all.

There are a huge number of coin tosses to guess when evaluating someone for marriage potential. Maybe less for a job candidate. But the candidate is not the coin being tossed. We're talking about the ability to estimate probabilities for a whole range of stuff that combinedly give us a measure of confidence.