sequence independent and identically distributed random variables expectation random variable random variables
of a sequence of independent and identically distributed random variables 




X

k




{\displaystyle X_{k}}

 converges towards their common expectation (expected value) 



μ


{\displaystyle \mu }

, provided that the expectation of 




|


X

k



|



{\displaystyle |X_{k}|}

 is finite.
