If you are speaking in terms of whole numbers, the odds are 1 in 2.
If you are speaking in terms of real numbers, the odds are very highly against it, on the order of 1 in infinity, assuming non-whole number input into your mathematical function.
It does not occur by chance.
Using mathmatical reasoning
Because probability is a measure of how likely it is that some event will occur. If there is no chance at all that the even will occur than the probability is 0. If it will occur with 100% certainty, then it is 1 or 100% A negative number would have no meaning in terms of how likely an even is to occur?
Probability is the mathematical chance that an event will occur.
Probability of success is a mathematical chance that an event will occur.
formula
A sphere?
ummm taco
a mathmatical term
It means average
A mathematical sentence is an equation.
3.14 is the short term for it