All you have done is set up a false dichotomy. Also, just because something is improbable does not mean that it's impossible - as someone else has already said, she could have just gotten extremely lucky.
Not necessarily. Atheism in itself simply is a disbelief in the existence of deity or deities.
Uhhhh... What's your point, why should some random person winning, if the winning in legitimate, make me feel better? I mean, it's great for her but since I don't know her, or really anything about her other than that she won, I don't really care.