Greg Stark wrote:
>> Doesn't all that assume a normally distributed random variable?

> I don't think so because of the law of large numbers. If you have a large 
> population and sample it the
> sample behaves like a normal distribution when if the distribution of the 
> population isn't.

Statistics is the part of mathematics I know least of, but aren't
you saying that in a large enough sample of people there will
always be some with age < 0 (which is what a normal distribution
would imply)?

Laurenz Albe

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