Korva doesn't at all see why you can't just ask whether all-14's get it within thirty minutes five times more often than all-10's, do the experiment, and then report whether your records of it confirm or deny that this happened, but Willa and Carissa are obviously much better at this than her, so if they're stuck on it then whatever Korva is doing is going to end up being humiliatingly wrong.

Korva doesn't at all see why you can't just ask whether all-14's get it within thirty minutes five times more often than all-10's, do the experiment, and then report whether your records of it confirm or deny that this happened, but Willa and the Chosen of Asmodeus are obviously much better at this than her, so if they're stuck on it then whatever Korva is doing is going to end up being humiliatingly wrong.