But using the coin flip analogy, I would say that each successful company requires hundreds of "coin flips", with the outcome "heads" a majority of the time. A

But using the coin flip analogy, I would say that each successful company requires hundreds of "coin flips", with the outcome "heads" a majority of the time. A few bad flips could sink a company. I think it's much more than getting lucky 3 times -- more like mostly "lucky" hundreds of times.