How much "protection does a building offer"

[Aeraaa]

Originally Posted by DRG

are more related to that units experience, morale, suppression and status

I wanted to ask that tbh so I believe now it's a good chance: more suppression for the unit taking fire=higher or lower chance to be hit? Intuitively, it should be the latter as suppressed soldiers hug the ground, but I could not figure out which is the case in the game.