What are the chances of someone becoming a brain surgeon if they are really dedicated?
I think that the chances of becoming a brain surgeon, for instance, are much better than the chances are of becoming a famous NBA superstar basketball player such as Michael Jordan or Kobe Bryant, or a famous movie star like Brad Pitt, or a famous singer. Number-wise you have better odds of getting into residency for neurosurgery and graduating as a brain surgeon at the end of seven years than you have of joining the NBA and becoming a successful NBA player. Just numbers.