biology
posted by demi .
If you toss a coin and it comes up tails on eight consecutive tosses, what is the likelihood it will come up heads on the ninth toss?

Better check that it is not a doubleheaded coin?
This looks like probablilty. You might try some of the following links:
http://search.yahoo.com/search?fr=mcafee&p=probability+tutorials
Sra
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