What if some of the experts said "It's really hard to know, but our best guess is there is a 10% chance of this thing hitting the Earth" and other experts said

What if some of the experts said "It's really hard to know, but our best guess is there is a 10% chance of this thing hitting the Earth" and other experts said "I really don't think it'll hit the Earth"? My best guess is that Earth wouldn't do much at all about the risk as that seems to be basically what we are facing with AI x-risk.