In the game Yahtzee, five dice are rolled at the same time. Bonus points are awarded if at least three of the dice land on the same number. The table below shows the outcomes for five trials.

a. List the outcomes that had at least three of the dice land on the same number.

b. Based on these data, what’s the empirical probability of rolling at least three of the same number?

Trial                                 Outcome
1 . . . . . . . . . . . . . . . . . . 3, 5, 1, 3, 3
2 . . . . . . . . . . . . . . . . . . 5, 1, 6, 6, 4
3 . . . . . . . . . . . . . . . . . . 6, 6, 4, 4, 6
4 . . . . . . . . . . . . . . . . . . 4, 5, 4, 5, 3
5 . . . . . . . . . . . . . . . . . . 4, 2, 2, 1, 1