Or maybe not. If you consider how improbable is the origin of life on the earth then maybe it's not even enough planets in the observable universe to start a life. But the universe is much greater than its observable part.
We know it is anywhere from 0 (originated elsewhere and found its way here) to 1 (originated here and is guaranteed to originate given the conditions). I don't think we have enough data points to determine improbability yet.
What is the probability of life originating in the universe? We know it is definitely greater than 0..
It would still occur quite a bit, and some planets with a protective field likely still produce simple life forms.