Traci can take one of 3 different buses to and from school (bus A, B or C). She randomly catches one bus in the morning and another one on the way home. This table lists the sample space of outcomes.
Afternoon
A B C
Morning A AA AB AC
B BA BB BC
C CA BC CC
In the event AB, Traci rides the A bus in the morning and the B bus in the afternoon.
Which outcome would be included in the event "rides bus ONLY ONE way"?
A. BA
B. BB
C. CA
D. CC