Originally posted by The Mad Viking
What you said in your first post is:
This is simply not probable. This is not the same argument you are making now. The word "prevalent" I guess troubles me.
What you said in your first post is:
Probably it would turn out that the genes for dark skin and good running skills are prevalent in the same populations
This is simply not probable. This is not the same argument you are making now. The word "prevalent" I guess troubles me.
(Or is the problem the admittedly very loosely defined "dark-skinned"? Since we've otherwise been speaking in terms of black vs non-black, it really should be replaced with the genes causing people to be black, but unless we chose a very liberal definition of dark-skinned, I doubt it would make any much difference statistically - there simply aren't that many Australian Aborgines and Veddas around.)
Simply put, I suppose I don't agree with calling "dark skinned" a population. I see no evidence for defining this as a population. (Probably because I am an idiot.) Why you would choose to put pygmies, ethiopes, dinkas, bushmen, australian aboriginies in the same population is beyond me. Is a Carib "dark-skinned"? A Papuan is, yes?
I agree with the arguments you are making now:
But while this:
is true, it is not particularly informative. Because the probability in either case approaches zero. You are talking about the extreme fringe of Poisson distribution here. 1 in 1,000,000. You cannot deduce anything reliable about a population by looking only a sample of the extreme fringe.
genes conducive to top sprinting ability are more common among black people than among other people.
But while this:
a black person chosen at random is much more likely (several times, infact) to be a top sprinter than a randomly chosen non-black person.
is true, it is not particularly informative. Because the probability in either case approaches zero. You are talking about the extreme fringe of Poisson distribution here. 1 in 1,000,000. You cannot deduce anything reliable about a population by looking only a sample of the extreme fringe.

Nonetheless, I apologize for suggesting you were an idiot. It was uncalled for.
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