We are asked to find the probability of getting a 2 when rolling a die, remember that a die has 6 sides, of which only one side has the number 2 on it.
That is to say, we must find the probability that a side comes out of the 6 sides.
This probability is expressed as the chances of the desired event happening among all the possibilities, that is 1 divided by 6.
In conclusion, the answer is: