At the county fair there are 5 unlabeled cakes. 3 are on table A, Ann made 2 of the 3 cakes on table A and Betty made the third cake. two cakes one of Anne's and one of Betty's are on table B. The judge at the fair move one cake from table A to table B. Jack then randomly chooses a cake from table B. What is the probability Jack chooses Betty's cake on table B