Question

Using two normal number cubes, what is the probability of rolling numbers

that add up to 4?
A. 1/18
B. 1/36
C. 1/12
D. 1/9

Answer 1

1/12

Explanation:

When we roll 2 dice, there are 36 possible rolls

How can we get 4

1and 3, 3 and 1, 2 and2 = 3 different rolls

P( 4) = number of rolls with sum of 4/ total rolls

= 3/36 = 1/12