Are some randoms more random than others?

[tinkthank]

Originally posted by Peter Ebbesen:
Equal distribution as far as my observations indicate.

The odds of NOT getting an extra water on a S&A Celestial Master would be ~76.6%. In other words, you can expect almost 1 out of 4 Celestial Master's to get at least 3 water

Thanks much sir. Suspected as much.
I know too little about statistics to remember standard deviance and what not, but may I ask an unqualified question?

- If 1 out of 4 CMs gets at least 3 water, then isnt the chance also that 1 out of 4 CMs gets 2 Fire, Astral or Air? (Chance of getting +1 water = chance of getting +1 to anything else they already have, right?)