We think we are about an 8 overall.
Things pop up even with the best of plans, and the potential for violence can outstrip any plan. Many of my friends and relatives lived in NOLA during/after Katrina.
A few of them were prepared, but most were not.
All of them now express a change of attitudes and willingness to now talk about plans and survival/emergencies.

Even here in Baton Rouge (65 Miles from NOLA) we were impacted by the mass of people, for two days prior to land fall and months afterwards.
The real question is how much can you realistically expect from the "Tribe" (Family and Friends of like mind that you plan to work with).
Talk is cheap and when the SHTF will they really come through ?
Physical prep is easy, but while necessary it's not sufficient,
Even military SF/Ranger/Seal types work in teams.

Most of the semi and rural south is physically prepared (equipment,skills,experience,food & Water).
That being said, a gang of bad folks could bring a lot of trouble for a couple or two couples.

My guess (and Plan) is for at least a dozen people working as a team. Even if your personal skill level is a ten, by yourself unaided you are a 6.