The chance of survival from a gunshot depends on where the person was shot with the gun.
If the person was shot in the heart or head then there chance of survival is pretty low but is the person is shot in the chest, stomach or anywhere else where the heart is not located or more vital organs are not located and the persons heart is still beating upon arrival to the hospital then the person with the gunshot wound has a 95% chance of surviving the gunshot.
It's very important to get prompt medical attention after a gunshot to increase the chances of survival.