Playbooks - How does the game choose a play?

So I create a playbook. I have plays weighted in how I want them to be called.
Game time. 1st and 10. Does the game plan mean anything, or does it go right to the playbook on 1st and 10, then choose run or pass depending on the number I have there?
I have a run heavy offense for this team. My gameplan is set to Aggressive Attitude and Focus is on Run. My Running Focus is Balanced. My Passing Focus is set to Long, and Pass To is set to TE. No player is set as my primary receiver. My 1st and 10 playbook has a run/pass ratio of 25. My understanding is that it will run the ball 75% of the time and pass 25%, and will randomly pick plays based on weighting. Does the gameplan change the playbook's run/pass ratio based on Aggressive/Run settings? If my Run Focus was on Outside, would that adjust my weightings?? If it chooses a pass, would it change to more Long passes where the TE is the primary receiver more frequently?
The reason I ask is this: I started a solo team for testing. I got some great offensive linemen to go with a couple of good running backs and very fast TEs with good hands. I have the settings mentioned above (25 Run/Pass ratio on all three first down playbooks). However, I'm running about 50% of the time on 1st down, and I have an equal number of run and pass play weightings (total weight 100 pass and 100 run, with the highest weighting being a dive play at 5... I also have more total pass plays in the playbook than runs) in the playbook, which makes me think the only thing that matters is the playbook weightings and not the Run/Pass ratio OR the gameplan settings. If the playbook weightings are the only thing that matters, then to get 3:1 Run to Pass ratio, I would need run play weightings in that playbook to total 300 and pass play weightings to total 100.
Game time. 1st and 10. Does the game plan mean anything, or does it go right to the playbook on 1st and 10, then choose run or pass depending on the number I have there?
I have a run heavy offense for this team. My gameplan is set to Aggressive Attitude and Focus is on Run. My Running Focus is Balanced. My Passing Focus is set to Long, and Pass To is set to TE. No player is set as my primary receiver. My 1st and 10 playbook has a run/pass ratio of 25. My understanding is that it will run the ball 75% of the time and pass 25%, and will randomly pick plays based on weighting. Does the gameplan change the playbook's run/pass ratio based on Aggressive/Run settings? If my Run Focus was on Outside, would that adjust my weightings?? If it chooses a pass, would it change to more Long passes where the TE is the primary receiver more frequently?
The reason I ask is this: I started a solo team for testing. I got some great offensive linemen to go with a couple of good running backs and very fast TEs with good hands. I have the settings mentioned above (25 Run/Pass ratio on all three first down playbooks). However, I'm running about 50% of the time on 1st down, and I have an equal number of run and pass play weightings (total weight 100 pass and 100 run, with the highest weighting being a dive play at 5... I also have more total pass plays in the playbook than runs) in the playbook, which makes me think the only thing that matters is the playbook weightings and not the Run/Pass ratio OR the gameplan settings. If the playbook weightings are the only thing that matters, then to get 3:1 Run to Pass ratio, I would need run play weightings in that playbook to total 300 and pass play weightings to total 100.