One way of describing a fair trial in statistics is one in which the probability of each outcome is what might be expected on theoretical grounds.
A coin, that can only land on two faces, is equally likely to land on either one.
A cubic die that is equally likely to show any one of its six faces and so on.
Chat with our AI personalities
An amount
It means that it is joined up at the end i.e. there are no gaps in it.
it means to add sometghiog to anotther
It is not a specific mathematical term. It simply means "put on top of".
As a term of an expression in math, 72w means 7 times w