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This site is an interactive text with links to simulations. The description of the game is followed by a series of 34 statements, including proofs and questions (answers are available).
Good statement of the problem with expectation and variance calculated. Several methods of bounding the expectation and variance are given as the number of coupons gets large.
Quick demonstration of "collecting coupons." In this applet, we seek to match all six faces on a die, 42 mahjong tiles or 52 cards.
A discussion of the derangement problem with links to demonstrations of the concept. The number in the derangements as the number of objects approaches infinity is shown to be equal to \(e\).
This video defines random variables and compares discrete and continuous distributions. It also provides various "real-word" scenarios that are modeled by random variables.
Math Goodies has a series of nine lessons on elementary probability.
The lesson begins by associating the distance between two points with the right triangle that may be formed by joining the points and extending horizontal and vertical lines through the points.
A set of four practice sheets on solving multi-step equations. Students will complete these worksheets in groups of four. Teacher instructions are enclosed.
Students will use a variety of different size squares to form right triangles. After recording the lengths of the sides, students will square the values and look for the relationship.

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