Astonishing. Someone went to, maybe 30 seconds trouble to write that blog. You would have thought that, well, they would have thought about it for some of that 30 seconds and realised it makes no sense.
The only thing worse than his grasp of probability is his grasp of the English language. How the hell did this make top page here?
If you plan on being at startup school, maybe I can express in plain English to you face-to-face "how the hell" this story made top page...I'll be the guy in the Purdue t-shirt.
There's nothing wrong with his sense of probability, although his graphic is atrocious. That doesn't mean that it's good advice.
Was just gonna say...
please see my response below. hopefully you'll find my grasp of probability not so bad.