Two fair dice are tossed, and the face on each die is observed. a. Use a tree

Question:

Two fair dice are tossed, and the face on each die is observed.
a. Use a tree diagram to find the 36 sample points contained in the sample space.
b. Assign probabilities to the sample points in part a.
c. Find the probability of each of the following events:
A = {3 showing on each die}
B = {sum of two numbers showing is 7}
C = {sum of two numbers showing is even}