Wall Street Journal - A Hint of Hype, A Taste of Illusion
They pour, sip and, with passion and snobbery, glorify or doom wines. But studies say the wine-rating system is badly flawed. How the experts fare against a coin toss.

Wall Street Journal - A Hint of Hype, A Taste of Illusion
They pour, sip and, with passion and snobbery, glorify or doom wines. But studies say the wine-rating system is badly flawed. How the experts fare against a coin toss.

In fact, every stand-out record in any sport that has ever been analyzed has always been found to be consistent with the patterns produced by random fluctuations.
Source: What Are the Odds? - Happy Days Blog – NYTimes.com
Mostly, yes.
Are “Great” Companies Just Lucky?
Harvard Business Review April 2009
See also The Halo Effect