What is the probability of getting a sum 9 from two throws of a dice ?

What is the probability of getting a sum 9 from two throws of a dice ?

A 1/6

B 1/2

C 1/9

D 3/4

Solution

Correct Answer: Option C

In two throws of a die, n(s)=(6 x 6)=36

let E= Event of geting a sum 9={(3,6),(4,5),(5,4),(6,3)}

P(E) = n(E)/n(S) = 4/36 = 1/9