I put in max = 10,000, min = -20 into your code.
I got 27,119 total answers.
889/27119 ~ 3.3% (1 in 30). I assume many people delete their poorest performing answers. But it's a shame when you write a good answer, and get Erinned, as I did here:
Supposedly there are 18,913 questions on SE:Space Exploration.