The lottery balls were numbered from 1 to 85 . This means the balls are 85. The numbering is represented as 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20..................85
The selected ball that will be not inclusive are 10, 11, 12, 13, 14, 15, 16, 17, 18, 19. The numbers are 10 in numbers out of a possible 85.
85 - 10 = 75 numbers of ball can be selected .
Therefore, the probabillity that a randonmly