Yeah, it was one of those days.
All those things were answered thanks to a YouTube video - but this post ain't about that. It's about the dude that explained it - and another one of his videos that adds humor - useful humor - in a unique way to learn the Morse Code.
Check out D!ng 'splaining how to remember the Code.
Skip to the 4m 26s mark for the meat of the video:
Regarding the Galton board I mentioned, here is Señor D!ng explaining the relationship between coefficients of polynomials and normal distribution.
* Not valid outside of my address in southeast Texas.Void where prohibited.