Women's odds for winning AO

[GameSetAndMath]

Here are the current odds as per book makers.

Serena Williams 4/5 = 0.80
Victoria Azarenka 11/2 = 5.50
Maria Sharapova 11
Li Na 12
Petra Kvitova 20

Note Serena is under 1, which means she has more than 50% chance. (55.55% to be precise
in this case).