A "law of large numbers" is one of several theorems expressing the idea that as the number of trials of a random process increases, the percentage difference between the expected and actual values goes to zero.
Law of Large Numbers
See also
Strong Law of Large Numbers, Weak Law of Large Numbers Explore this topic in the MathWorld classroomPortions of this entry contributed by John Renze
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References
Stark, P. B. "The Law of Large Numbers" http://stat-www.berkeley.edu/~stark/Java/lln.htm.Referenced on Wolfram|Alpha
Law of Large NumbersCite this as:
Renze, John and Weisstein, Eric W. "Law of Large Numbers." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LawofLargeNumbers.html