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Lecture 20
Square root law
Laws of large numbers
Back to the axioms
Random walk (RW)
Growth rates for RW
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Square root law
· X1, . . . , Xn uncorrelated, with common mean µ and vari-
ance 2
· Sn = X1 + . . . + Xn = n ¯Xn
E{Sn} = nµ, SD(Sn) =

Source: Adler, Robert J. - Faculty of Industrial Engineering and Management, Technion, Israel Institute of Technology

Collections: Mathematics; Engineering