Question

Two dice are thrown at same time find the prosibility for getting prime no

Answer 1

{ (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(2,2),(2,3),(2,4),(2,5),(2,6),(3,1),(3,2),(3,3),(3,4),(3,5),(3,6),(4,1),(4,2),(4,3),(4,4),(4,5),(4,6),(5,1),(5,2),(5,3),(5,4),(5,5),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5),(6,6)}      sample space

the probability of getting prime no is 9/36= 1/4

Answer 2

Total outcomes = 36

Prime nos. = 8

P(E) = 8/36 = 4/18 = 2/9