8 Aug
2013
8 Aug
'13
11:52 a.m.
THEOREM OF L.TAKACS (1967): If you sum i.i.d. random integer variables each with mean=m, then the probability every partial sum is positive (forever), equals m if m>0, otherwise 0.
--I forgot to say, the maximum value of each variable has to be 1 for this theorem to apply.