If we knew the answer to this question, we`d all be rich.
I knew someone would write this :) so it can be done !
I predicted this by analysing what I know about human nature and passed experience of people discussing this topic. This was the most common thing said during that discussion so quite likely to be an (or the) anwer.
Maybe the answer is, by analysing past events we can predict what is more likely to happen.
Some things are easy, like "Tomorrow the sun will rise".
Some things are harder, "04, 34, 18, 23, 43, 13 are this weeks winning Lotto numbers"