MaN)Random variable Review of probability and random variables Bayes' Rule: Let A,j=1, 2, . n be mutually exclusive such that UA; =Q2. For any nonzero probability event B we have p(4B)=2(42 P(B P(BLAP(Ai) ∑=1P(B|A)P(A Communications EngineeringCommunications Engineering 10 Random variable Review of probability and random variables ➢ Bayes’ Rule: Let be mutually exclusive such that . For any nonzero probability event B, we have Aj , j =1,2,  ,n j =  j  A