Along the lines of AHKieran I think the answer is actually
I am a common word that refers to a person.
I rarely refer to very young people – in fact, the older a person is, the more likely they are to be called me.
However, if you pick two random siblings, the younger of them is more likely than the older one to be called me.
The accepted answer has a subtle error. If we randomly select a 2-sibling family with at least one male, the odds of the other being female are indeed 2/3. If we randomly select a male who is part of a 2 person family, the odds of them having a male sibling are 1/2.
The three, equally probable male-containing families are
MF FM MM
There are four males ...
Which one of these is Scooby-Doo's nephew?
"Scooby Dee" and "Scooby Dum" sound like "Tweedle Dee" and "Tweedle Dum" from "Through the Looking Glass", and they were cousins. Scrappy Doo was a third cousin (and did screw up the show). Shaggy (Rogers?) was voiced by Casey Kasem, voice of ...
This question really puzzled me so I want to come up with some simple scenario:
Here are our fathers + husbands of our mothers
there are our fathers + husbands of our mothers + our own husbands
(husbands of our mothers: each girl is also the other girl's new mother)
This now covers
there are our fathers + ...
I'd guess 2,3,5,7.
Clue 5 tells us that
One of my siblings idolizes me, constantly trying its best to look like me, which I gladly appreciate.
He even settles down the quarrels between me and the two others siblings, I'm sure they're just jealous of my current position.
Combining our efforts, my beloved sibling and I can easily draw a circle and a square....