(iii) The outcome at the (k 1)th generation is dependent only on the class order
at the kth generation and not on any generation prior to it; that is,
Determine
(a) The pmf of X 3.
(b) The jpmf of X 3 and X 4.
74 Fundamentals of Probability and Statistics for Engineers
P
Xk 1 ijXkj\Xk 1 m\...P
Xk 1 ijXkj