## Most downloaded summaries in mathematics

# Markov Chains Summary - Essay - Mathematics

Assume that X » exp(¸), by which we mean that X has an exponential distribution with
rate ¸. Then X has mean 1=¸; i.e., EX = 1=¸. Also the variance is V ar(X) = (EX)2 = 1=¸2.
In addition, assume that Y » exp(¹) and Xi » exp(¸i) for i = 1; ¢ ¢ ¢ ;...