The two-color ball has 49 numbers. Among them, the red ball has 33 numbers and the basketball has 16 numbers.
Winning probability:
1, the winning probability of the first prize (6+ 1) is: red ball 33, blue ball 6 times 161=17721088 = 0.
2. The winning probability of the second prize (6+0) is: red ball 33 chooses blue ball 6 times 16 chooses 0 =15/17721088 = 0.0000846%.
3. The winning probability of the third prize (5+ 1) is: red ball 33, blue ball 5 times 161=162/17721088 = 0.0009.
4. The winning probability of the fourth prize (5+0,4+1) is: choose 5 33 times from the red ball and choose 016 = 7695/17721088 = 0.0434% from the blue ball.
5. The winning probability of the fifth prize (4+0, 3+ 1) is: red ball 33 chooses blue ball 4 times 16 chooses 0=0.7758%.
6. The winning probability of the sixth prize (2+ 1, 1+ 1, 0+ 1) is: 2 of the red ball 33 times the blue ball 1/16 = 5.889%.
Number selection skills:
1, you can use the method of keeping the number, which is also called chasing the number. When you buy the number of this issue, if you don't win the prize, you will continue to buy the same number when you buy the next issue until it is in it.
2, choose your favorite number, you can write your favorite number as a two-color ball number to buy. Such as: mobile phone number, license plate number, academic performance and so on.