SB 7.2 odds in favor

Question

2. Find the odds in favor of rolling the same number on each of a pair of dice.

 

a. 1 to 6

b. 1 to 5

c. 2 to 5

d. 3 to 10

Answer 1

answer is A. 1 to 6

 

rolling a pair of dice will have total of 36 choices.

 

for them to have identical number, it can be six choices 1-1, 2-2, 3-3, 4-4, 5-5, 6-6

 

so the odds are 6 to 36 which is  1 to 6 after simplify.