Determine whether the following events are mutually exclusive. Explain your reasoning. Event A: Randomly select a female communications major. Event B: Randomly select a communications major who is 20 years old. These events mutually exclusive, since not all communications majors are female. it is not possible to select a female communications major who is 20 years old. all communications majors are female. no communications majors are female. it is possible to select a female communications major who is 20 years old. not every female communications major is 20 years old. every female communications major is 20 years old