Four witnesses, A, B, C, and D, at a trial each speak the truth with probability 1/3 independent of each other. In their testimonies, A claimed that B denied that C declared that D lied. What is the (conditional) probability that D told the truth?
Four witnesses, A, B, C, and D, at a trial each speak the truth with probability 1/3 independent of each other. In their testimonies, A claimed that B denied that C declared that D lied. What is the (conditional) probability that D told the truth?