how do you calculate rm pr? how to calculate the number of nodes how to calculate coefficient of each node in network how to find failure probabilities of a network how to calculate ppa for a network how to find failure probability of each node how to calculate failure probability how to use pr(f_a|f_b) how to calculate failure probabilities in a four node network how to calculate the probability of failure in a four node network? how to calculate coefficient for failure probability in network how to calculate p value for a node on a four node network how to calculate the failure probability in a 4 node network how many nodes are in the a/b/c/d network how do i find the correlation coefficient of every node in a network? how to get rm pt(f_a) how to calculate the coefficient of failure in a four node network how to calculate failure probabilities how do you find the likelihood of failure in a network how to calculate failure probabilities