It's possible for a brain dead guy
Yes but they are not normal.
Normalness is subjective. There is no such thing as "normal". All humans are different. A normal human to me is simply someone born of another human with the genetic identity of a human.
However, the average human is not brain dead.
Well that's how you should've worded your post :P "average human"
Haha I realized that, that's why I switched the words
In which case my answer is a resounding yes. Nearly every human has the ambition of not dying too soon
Unfortunately, I have a young one at home who seems to have zero ambition. sigh.