Yep , there 's all  there 's all sorts of , uh , deviations from the ideal here.
yeah.
I mean , for instance , you 're  you 're talking about the signal and noise , um , at a particular point. And even if something is sort of stationary in ster terms of statistics , there 's no guarantee that any particular instantiation or piece of it is exactly a particular number or bounded by a particular range.
Mm - hmm.