On the average, the run value of a high inside fastball is -.001 where minus is good for the pitcher. The run value of a low outside fastball is +.001. In other words, the run value of the former is better than the run value of the latter.
Now, put all pitch sequence and game theory stuff aside.
In an average situation against an average batter, where those run values above absolutely apply, which pitch should a pitcher attempt to throw, and why?