An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be 4?
4 answers
There are 36 possibilities. Four can be obtained by 1,3; 3,1; 2,2. So 3/36 = ?
4 = 1 + 3 or 2 + 2 or 3 + 1
so
3 out of 36 which is 1/12
so
3 out of 36 which is 1/12
think yes it is 1/12
P( total of 3)