Question

An unbiased die is thrown once, find the probability of getting a composite number.

Answer 1

Possible numbers of events on throwing a dice $=6$

Numbers on dice $=\{1,2,3,4,5,6\}$

Composite numbers $=\{4,6\}$

Favourable number of events$=2$

Probability that it will be a Composite number $=\frac{2}{6}=\frac{1}{3}$