Khan Academy
Khan Academy: Expected Value With Empirical Probabilities
Find expected value based on empirical probabilities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Mean (Expected Value) of a Discrete Random Variable Practice
A practice word problem asking learners to calculate the mean of B in a probability chart.
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...