Which of the following statements best describes the intersection of the sets of outcomes of events a and b?
a. the intersection of the sets is a list of all possible outcomes for event a.
b. the intersection of the sets is the set of all outcomes in events a and b.
c. the intersection of the sets is the set of all outcomes in the sample space of event a or event b.
d. the intersection of the sets is the set of all outcomes in the sample space of events a and b.