Question

A die is thrown once . find the probability of getting i)a prime number ,ii) a number divisible by 2

Answer 1

Total number $=6=\{1,2,3,4,5,6\}$

Prime Number $=3=\{2,3,5\}$

No. div by 2 $=3=\{2,4,6\}$

(i) Prob. of getting Prime no $=\frac{3}{6}=\frac{1}{2}$

(ii) Prob. og getting no. div by 2 $=\frac{3}{6}=\frac{1}{2}$