Average of Fractions
version = 1.01 of avfrac.tex 2014 Jan 19
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Suppose we have n positive numbers, x1, x2, …xn.
We find the sum:
If S > 0 we can formulate n fractions: What is the average of the fractions? No matter what the distribution of n fractions is, their average is always 1∕n!
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