Physics external scaling

hey guys I’ve heard that external marks are scaled, I was wondering if any past students or current students tell me if it’s possible for me to scale to a 37/50.

My prediction on my grade in today’s external

Paper 1: 42/50 Paper 2: 27/47

Total guess around 71% raw

Yeah I know everything here is just an estimation but I’m just worried cause I feel like physics might ruin my entire atar