Question

Find out the probability of rolling two dices being total of “7”.

What is all the combination of two dices making total of “7” ?
What is the probability of rolling two dices being total of “7”?

Answer 1

Sample space of 2 dice ={6 x 6} = 36 possible outcomes
In how many ways we can get 7:
1) 1+6
2) 2+5
3) 3+4
4) 4+3
5) 5+2
6) 6+1
So there are 6 ways to get a 7,

Hence P(of getting a sum =7) = 6/36 = 1/6 = 0.1667