People have been trying to prove that ghosts exists. No one has been able to prove that ghosts exists. Therefore, ghosts doesn’t exists.
Which fallacy is this?

Which fallacy is this?
Most dogs are friendly and pose no threat to people who pet them. Therefore, it would be safe to pet the little dog that is approaching us now.

Which fallacy is this?
Imagining I’m drawing from a 50% red and 50% green jar population of marbles. When I reach in and draw a set of marbles from this population, I’m sampling from this population.

What fallacy ignores evidence?

What fallacy is assuming small population should be reliable as large population?