Final answer:
The true statement about completing the MAZIE TWO RNAV Arrival at SOLBERG (SBJ) is that ATC does not guarantee radar vectors to the initial approach fix, as pilots may be expected to fly the procedure as published unless vectored.
Step-by-step explanation:
When examining the Teterboro (TEB) MAZIE TWO RNAV ARRIVAL, specifically at the SOLBERG (SBJ) waypoint, the correct statement from the provided options is number 3.
If you are cleared for the MAZIE TWO arrival, ATC does not commit to providing radar vectors to the initial approach fix for the airports listed in this STAR (Standard Terminal Arrival Route).
The RNAV arrival procedure includes expectations regarding the routing and altitudes, but ATC may still issue vectors for sequencing or traffic management as required.
Therefore, pilots must still be prepared for possible vectoring instructions from ATC.