7/8
The probability is one in four, or 25%.
The probability is 1/42.
1/10
7
The probability is 3/7.
The probability is 5/9.
9
1/8 or .125 or 12.5%
A die normally has 6 sides numbered 1 through 6. The probability of you landing on ANY number is 1:6, or you have a 1 in 6 chance of landing a 3.
6-52
Theoretical probability is the number of ways something can occur divided by the total number of outcomes. So, the theoretical probability of throwing a coin and it landing on heads is 1/2 or 0.5 or 50%.