Wikipedia: History of Probability theory

Difference (from prior major revision) (minor diff, author diff)

Changed: 1c1

The basic theorems of probability can be developed easily from the Probability Axioms and Set Theory.

The basic theorems of probability can be developed easily from the probability axioms and set theory.

Changed: 12,13c12,21

# Pr[A₁ * A₂] = Σ_Ei ε A₁ &inter; A₂ Pr[E_i] for all E_i in both A₁ and A₂.
# Pr[A₁ + A₂] = Pr[A₁] + Pr[A₂] - Pr[A₁ * A₂]

Pr[A₁ * A₂] =
Σ Pr[E_i]

Where E_i is any event in both A₁ and A₂.

Pr[A₁ + A₂] =
Σ Pr[E_i]

Where E_i is any event in either A₁ or A₂.

Changed: 17c25

The probability of some event happening knowing that another event happened before can be computed using Conditional Probability.

The probability of some event happening knowing that another event happened before can be computed using conditional probability.

	Revision 9 . . (edit) September 30, 2001 9:40 pm by Zundark [fix link]
	Revision 8 . . (edit) July 3, 2001 2:29 pm by Larry Sanger
	Revision 6 . . (edit) June 30, 2001 5:13 am by KoyaanisQatsi