Other
Hsor.org: Modules: Making a Decision With Impact
This module is mainly about construction of a probability decision tree and calculation of expected values.
Illustrative Mathematics
Illustrative Mathematics: S Md.2 Bob's Bagel Shop
The purpose of this task is to assess a student's ability to compute and interpret an expected value. Notice that interpreting expected value requires thinking in terms of a long-run average. Students will help Bob the bagel man find the...
University of Glasgow
Steps Statistics Glossary: Expected Value
Site defines statistical expected value as the population mean and discusses it's usefulness as a summary value of a variable's distribution. The formula for calculating expected value is provided, as is an example.