This Poll:
All Polls:
Khudaverdi
I think that might is more correct than may.
Natacha Bourdeau
If the police had arrived earlier, she might not have died.
Ruvelyn Ta-aca
Using "might" is more accurate.
Arlin
I think correct answer is might due to the tence of sentence

Tony
"May" is more formal than "might" but I'm sure they're both OK.