We know a coin should have a 50/50 chance of landing on tails. But what is the probability if it lands 43 out of 83 times? Use the lesson and accompanying resources to teach, practice, and assess about probability of events. 

Learners explain historical findings such as Rutherford and Bohr's contributions, explain wave particle duality, and formulate Heinsenberg's uncertainty principle. They also draw s, p, and d orbitals, explain more historical findings,...

Explains, using examples, the difference between theoretical and experimental probability.

This interactive dictionary gives the definition of experimental probability. Be sure to follow the link to a discussion on probabilities and outcomes.

Twenty-three problems cover a variety of probability topics. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check each step of...

Presents the steps to follow in designing a study in statistics and explains what makes a good statistical question.

A cereal company is offering six different prizes in their boxes. How many boxes would you expect to have to purchase in order to collect all six prizes? Known as the Cereal Box Problem, this question is explored here. A solution is...

Dozens of statistical terms are defined and illustrated in this glossary.

This InterMath site gives a description of a probability outcome along with an example involving a six sided die. Be sure to follow the links to related terms, challenging problems, more information, and the interactive check point...

Definitions of the basic concepts in statistics. Great for review and discussion or for introduction into topics.