Question

When a die is rolled once unbiased, what is the probability of getting a multiple of $3$ out of possible outcomes?

Answer 1

Let S be sample space of experiment.
$\Rightarrow S=\{1,2,3,4,5,6\}$
Out of these multiple of 3 are 3,6
Therefore, required probability$=\frac{2}{6}=\frac{1}{3}$