Where, n(E)= Number of favorable outcome n(S)= Number of possible outcome When the dice are rolled, the possible outcomes are n(S)=62=36 Favourable outcomes (2,6),(3,5),(3,6),(4,4),(4,5),(4,6),(5,3),(5,4),(5,5,),(5,6),(6,2),(6,3),(6,4),(6,5),(6,6) ⇒n(E)=15 Using the above formula, the required probability P=