Question

When a die is thrown, list the outcomes of an event of getting
(a) a prime number (b) not a prime number

Answer 1

Possible outcomes:- $1,2,3,4,5,6$

$\left(a\right)$ prime no.:- $2,3,5$

Probability $=\frac{1}{2}$

$\left(a\right)$not prime no.:-$1-\frac{1}{2}$

$=\frac{1}{2}$