To me this question is in answer to the Fermi paradox, the great filter .. is it behind us? Its important to answer because if its not behind us, then; not wanting to be hyperbolic but, we are about to end.
Apparently most of the computer models of the early solar system doesn't result in rocky planets this close to the sun. And when it does there are constant meteor strikes. So we could be quite improbable. However considering the size and age of the universe, if the filter is behind us in the form of improbability, it should look to us as something that is impossible.