Rolling Dice

Trixie and Alice are taking turns rolling two six-sided die.  

a) What are all of the possible outcomes?

b) Which sum is most likely to be rolled?   How do you know?

c) Which sum is least likely to be rolled?   How do you know?

d) What is the chance that Alice and Trixie will both roll a nine on consecutive turns?

Related InterMath Investigation
Rolling Dice