This lesson is a birthday problem that determines the probability that at least 2 people in a room of 30 share the same birthday. [Probability playlist: Lesson 17 of 29]

This lesson presents an example of dependent probability. [Probability playlist: Lesson 10 of 29]

This lesson presents an example of dependent probability. [Probability playlist: Lesson 11 of 29]

This lesson begins a six part series of basic probabiltiy using module examples. [Probability playlist: Lesson 4 of 29]

This lesson demonstrates probability using combinations and shows the probability of getting exatly 3 heads in 8 flips of a fair coin. [Probability playlist: Lesson 14 of 29]

This lesson is another demonstration of probability and combinations to determine the probability of making at least 3 out of 5 basketball free throws. [Probability playlist: Lesson 15 of 29]

This lesson uses playing cards and Venn Diagrams to explain the idea of probability [Probability playlist: Lesson 2 of 29]

Proof: Any subspace basis has same number of elements. Created by Sal Khan.

This art history video discussion examines Raphael's "Galatea", c. 1513, fresco, Villa Farnesina, Rome, 9' 8" x 7' 5".

This art history video discussion looks at Raphael's "Madonna of the Goldfinch", 1505-6, oil on panel (Uffizi, Florence).

This art history video discussion looks at Raphael's "Alba Madonna" oil on panel transferred to canvas, c. 1510 (National Gallery of Art, Washington D.C.).

This art history video discussion looks at Raphael's "La belle jardiniere" and "Madonna and Child with Saint John the Baptist", 1507, oil on panel (Musee du Louvre, Paris).

This art history video discussion looks at Raphael's "Portrait of Pope Julius II", 1511, oil on poplar (National Gallery, London).

This art history video discussion looks at Raphael's "School of Athens", fresco, 1509-1511 (Stanza della Segnatura, Papal Palace, Vatican).

This art history video discussion looks at Raymond Duchamp-Villon's "Horse" 1914, bronze (Art Institute of Chicago).

This art history video discussion looks at Richard Redgrave's "The Sempstress", oil on canvas, 1846 (original version 1844) (Forbes Magazine Collection, New York).

This art history video discussion looks at Rembrandt van Rijn's "Bathsheba at Her Bath", 1654, oil on canvas, Musee du Louvre, Paris.

This art history video discussion examines Pierre Auguste Renoir's "La Loge", 1874, oil on canvas (Courtauld Gallery, London). This painting was exhibited by Renoir at the first Impressionist exhibition in Paris (1874).

This art history video discussion examines Pierre-Auguste Renoir's "Moulin de la Galette", 1876, oil on canvas (Musee d'Orsay, Paris).

This art history video discussion examines Pierre-Auguste Renoir's "The Grands Boulevards", 1875, oil on canvas (Philadelphia Museum of Art).