where, n(E) → Required events, n(S) → Sample space Calculation: Let S be the sample space S = 1, 2, 3, 4, 5, 6 n(S) = 6 Let E be the event of getting exact divisible by 2 E = 2, 4, 6 n(E) = 3 P(A)=
n(E)
n(S)
⇒ P(A) =
3
6
⇒
1
2
∴ The probability of getting exact divisible by 2 is