Question

When a die is thrown once,find the probability of getting a prime number?

Answer 1

Sample space$=\{1,2,3,4,5,6\}$

$n\left(S\right)=6$

Event: Getting a prime number$=\{2,3,5\}$

$n\left(E\right)=3$

$\therefore$ Probability$=\frac{3}{6}=\frac{1}{2}$