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

1/6
1/2
1/9
3/4

Correct Answer: 1/9

Explanation:

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

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