The Big Six

Discrete Mathematics Level 3

In the Big Six game, you can place a 1-dollar bet to toss 2 fair six-faced dice for a chance to increase it by the multiple of 6. The amounts of gain or loss depend on the pips as followed:

  • 2-6 pips: -12 $
  • 7-9 pips: +6 $
  • 10-12 pips: +12 $

Moreover, if both dice show up the same number, the amount of money earned or lost will be doubled. For example, if both dice have 6 on their faces, you can win the maximum jackpot of 24 dollars!

What is the expected value of this 1-dollar bet? Submit your answer in the nearest 3 decimal places.

Bonus: Is this game worth a gamble?


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