SOLUTION: Dice is a popular game in gambling casinos. Two dice are tossed, and various amounts are paid according to the outcome. In a certain game, if a seven or twelve occurs on the firs

Question 639130: Dice is a popular game in gambling casinos. Two dice are tossed, and various amounts are paid according to the outcome. In a certain game, if a seven or twelve occurs on the first roll, the player wins. What is the probability of winning on the first roll?
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!

You win on the first roll if any of the 7 rolls below
which are colored red come up: 

⚀⚀   ⚀⚁   ⚀⚂   ⚀⚃   ⚀⚄  ⚀⚅

⚁⚀   ⚁⚁   ⚁⚂   ⚁⚃   ⚁⚄  ⚁⚅

⚂⚀   ⚂⚁   ⚂⚂   ⚂⚃   ⚂⚄  ⚂⚅

⚃⚀   ⚃⚁   ⚃⚂   ⚃⚃   ⚃⚄  ⚃⚅

⚄⚀   ⚄⚁   ⚄⚂   ⚄⚃   ⚄⚄  ⚄⚅

⚅⚀   ⚅⚁   ⚅⚂   ⚅⚃   ⚅⚄  ⚅⚅

That's 7 successful rolls out of 36 possible rolls.

That's a probability of 7 out of 36 or .

Edwin

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