Pretty much nothing is random on that show. Even the times shown on watches has a deeper meaning. http://comicbook.com/2014/10/21/the-walking-dead-has-a-really-clever-ongoing-easter-egg-involvin/Out of curiosity I decided to lookup the Bible readings that were posted in the church, as I suspected they were not just random choices...
Romans 6:4
Ezekiel 37:7
Mathew 27:52
Revelations 9:6
Luke 24:5