However, if you then found out I had been going into a different casino only betting 3 times and walking away every hour of my life you would understand that it was just by chance that you happened to be there on the day that I won three times in a row. There is nothing to explain - no divine powers.
This is what Hawkings is arguing for the multiverse. Because there are many possible universes, the fact that ours has all the right qualities to sustain life is an inevitability. It's inevitable that one would be created and because we exist, we must inhabit one.