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Home > CCG > Chapter 4 > Lesson 4.2.4 > Problem 4-96

4-96.

A player in the casino dice game described in problem 4-10 rolled a sum of on his first roll. He will win if he rolls a sum of six on the second roll but lose if he rolls a sum of seven. If anything else happens they ignore the result and he gets to roll again.  

  1. How many ways are there to get a sum of six?

    Refer to the table.

  2. How many ways are there to get a sum of seven?

    Refer to the table.

    ways

  3. How many possible outcomes are important in this problem?

    How many ways are there to roll a sum of or a sum of ?

  4. What is the probability of getting a sum of six before a sum of seven?

Insert the sums into the table in the eTool below to help you find the probabilities in parts (a) - (d).
Click the link at right for the full version of the eTool: 4-96 HW eTool