Thirty-six of the staff of 80 teachers at a local intermediate school are certied in Carob-Pulmonary Resuscitation (CPR). In 180 days of school, about how many days can we expect that the teacher on bus duty will likely be certified in CPR? O A. 65 days 0 B. 5 days 0 C. 45 days 0 D. 81 days