So that is after the officers filter of society. Officer picks 100 people to be suspected drug dealers out of N ... Out of the 100 the officer picks the dog is

So that is after the officers filter of society. Officer picks 100 people to be suspected drug dealers out of N ... Out of the 100 the officer picks the dog is choosing 93%... but is only right 55%... the dog correlates to the officers choice and both are only right about half the time