Next, let r be the actual probability of obtaining heads in a single toss of the coin.

Note: is the same actual probability (of obtaining heads) as of the previous section in this article.

"Probable" in this case may relate to actual statistical probability, or to a general standard of common behavior and customs.

My death is by no means a certainty, he told her, though he kept the actual probability of his survival to himself.

To obtain the actual probability, the amplitude must be squared.

You are not really referring to the actual probability, are you?

Sometimes, this heuristic is beneficial, but the frequencies that events come to mind are usually not accurate reflections of their actual probability in real life.

He thus knew that the actual probability of Kandron's coming was less, by some indeterminable amount, than the mathematical one.

But what of the actual probability, apart from man's futile wishes?

The possibility that in 2016 the President will be elected by the voters is suddenly looking more like an actual probability.