Imagine a plane to which we teleport every living human being, and have them stand in a line.

Let’s say you joined the line at one of its ends, and faced the people, and let’s say you have perfect ( literally that of a god ) eyesight, and you can see any person on the condition that someone taller than them isn’t blocking them ( assume no 2 people are of the exact same height ).

What is the expected amount of visible people?