Total number of outcomes possible when a die is rolled, n(S) = 6 (∵ 1 or 2 or 3 or 4 or 5 or 6)
E = Event that the number shown in the dice is divisible by 3 = {3, 6}
The probability = 2/6 = 1/3.
A dice is thrown. What is the probability that the number shown in the dice is divisible by 3?

[1] 5/5
[2] 5/9
[3] 5/1
[4] 1/3
[5] 5/2