Blood Groups and Types Group O_ AB AB total Type Rht 39 35 8 86 Rh 6 5 2 1 14 total | 45 1 40 1 10 1 5 1, 100 10 If 2 subjects are randomly selected , find the probability that they are both group O and type Ph. a. assume selections are made with replacement.. 19 6, assume selections are made without replacement. C. Find the probability that a subject randomly selected is Group B. given that he or she is Bh O SI