You have a case involving recorded speech as linguistic evidence. You gave recordings of a suspect and recordings of a crime scene to two analysts. One analyst extracted the fundamental frequency and the speaking rates, and produced Likelihood Ratios of 0.8 and 2.5, respectively. The other analysed the frequency of certain swear words. This analysist reported an LR of 11. You can assume there is no correlations between these three linguistic features. The combined strength of the evidence prior odds , in this case is posterior odds probability of guilt 2 5.5 11 22 34.375