He’s talking about a probability distribution over the set of all bitstrings. You can’t assign p=0.5 (or any other constant real number) to each of them: that doesn’t sum to 1.0.
He’s talking about a probability distribution over the set of all bitstrings. You can’t assign p=0.5 (or any other constant real number) to each of them: that doesn’t sum to 1.0.