Fortune Telling Collection - Fortune-telling birth date - There is a stall on the street, once 10. You play dice with the stall owner. If the sum of their points is odd, you win 20 yuan; if the sum of their points is even, it takes 10 yuan to stand up.
There is a stall on the street, once 10. You play dice with the stall owner. If the sum of their points is odd, you win 20 yuan; if the sum of their points is even, it takes 10 yuan to stand up.
As shown in the figure: this game has 6×6=36 situations, and the odd number is 3+3+3+3 =18.
The number of even numbers is 3+3+3+3+3 =18.
The possibility that sum is singular is: 1836= 12,
The possibility that the sum is even is: 1836= 12,
At first, you pay the vendor 10 yuan. The winner will be 20 yuan, that is, the stall owner will give you 10 yuan, and the loser will give it to the stall owner 10 yuan.
So the game is fair.
A: It's only fair to fight like this. The probability that the sum of two people's integrals is even is 12.
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