Answer the following question based on the data in the table. iron deficiency age less than 20 cm 20-30 years above 30 years total yes 41 37 24 102 no 109 43 46 198 total 150 80 70 300 what is the probability that a person with an iron deficiency is 20 years or older? a. 0.23 b. 0.34 c. 0.60 d. 0.78