 The evolution of probability theory
In the seventeenth century Galileo wrote down some ideas about dice games. This led to discussions and papers which formed the earlier parts of probability theory. There were and have been a variety of contributors to probability theory since then but it is still a fairly poorly understood area of mathematics.

# Featured Articles

Here are some of the popular Probability theory articles: Independent or mutually exclusive event?
You have to decide whether an event is mutually exclusive or independant. Converse (complementary) probabilities
Often when you work out the probability of an event, you sometimes do not need to work out the probability of an event occurring, in fact you need the opposite, the probability that the event will not occur. Periodic events
So far we have discussed probabilities in terms of outcomes either occurring or not occurring, but sometimes the gambler will wish to know the probability of an outcome occurring within a given time or during a given sequence of events. The law of large numbers / "The law of averages" Monkeys typing the works of Shakespeare 