People with type O-negative blood are universal donors. Any patient can receive a transfusion of O-negative blood. Only 7.2% of the American population has O-negative blood. What is the probability that if two Americans are randomly selected, the first does not have O- blood and the second does?

The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.