We have noted that when rolling a pair of dice, there are 36 different possible outcomes: 1-1,

Question:

We have noted that when rolling a pair of dice, there are 36 different possible outcomes: 1-1, 1-2, . . . , 6-6.
a. What is the probability of rolling a 7?
b. If you have just entered a friendly neighbourhood game of craps and the person who brought the dice rolls eight consecutive 7s, what do you conclude? Why?