2. Suppose that vehicles taking a particular freeway exit can
turn right (R), turn left (L), or go straight (S). Consider
observing the direction for each of three successive vehicles.
a. List all outcomes in the event A that all three vehicles go
in the same direction.
b. List all outcomes in the event B that all three vehicles take
different directions.
c. List all outcomes in the event C that exactly two of the
three vehicles turn right.
d. List all outcomes in the event D that exactly two vehicles
go in the same direction.
e. List outcomes inD