Use the image to answer the question.
Two fair number cubes are rolled. The results are shown in the tree diagram. Identify the number of events where the first roll and second roll result in the same number.
(1 point)
1 answer
There are 6 events where the first roll and second roll result in the same number: (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), and (6, 6).