Your statistics in business consists mostly of amateurs, ploppies in wall street and entrepreneurism.
Heard of competitive advantage from management science? Which is exact to ev, an "environmental analysis" is a study of market conditions, transferring to bj, this is game conditions.
Professionals use important economic tools to gauge the advantage, penetration, no of decks, etc is socio-econ factors, political-legal, etc.
The 90% failure rate is nothing compare to the ploppy rate in Las Vegas. That is why Warren Buffet, Ken Fisher, Peter Lynch looks for management's track record.
(Let's ignore the weak-form of random walk for now)