Columbia University
Columbia University: Expected Value Pdf
A PDF explaining and giving examples to show how the expected value of a random variable indicates its weighted average.
Khan Academy
Khan Academy: Making Decisions With Expected Values
Calculate expected values and then use them to make decisions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Expected Value With Calculated Probabilities
Find expected value based on calculated probabilities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Texas Instruments
Texas Instruments: Numb3 Rs: Expected Value
Based off of the hit television show NUMB3RS, this lesson attempts to explain the betting system at horse tracks by having students vie for parcels of land on their calculators. Because the land boundaries are unknown until the finale of...
Khan Academy
Khan Academy: Discrete Random Variables: Expected Value
Compute the expected value given a set of outcomes, probabilities, and payoffs. Students receive immediate feedback and have the opportunity to try questions repeatedly 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.
Texas Instruments
Texas Instruments: Probability: Pairs of Events and Expected Values
This set of questions pertains to probability: pairs of events, mutually exclusive events, complementary events, expected values, independent events, and conditional probability. Solutions and explanations are included.
NC State University
Nc State University: 4.2 (Cont.) Expected Value of a Discrete Random Variable
A PowerPoint explaining and showing examples of how to measure the mean of the values of a random variable.
Sophia Learning
Sophia: Introduction to Probability
Introduction to Probability is a resource that provides assessment and teacher tutorials that focus on mathematic concepts such as probability, outcomes, events, probability distribution, laws, values and odd.
Texas Instruments
Texas Instruments: Numb3 Rs: Not So Great Expectations
Based off of the hit television show NUMB3RS, this lesson exposes students to the concept of expected values (or expected outcomes). The method for computing the expectation is explained, and then many examples are given for students to...
Interactive Mathematics
Interactive Mathematics: Probability Distribution
The concept of random variables is the focus of this lesson, including definitions of discrete and continuous random variables. Discussions on discrete probability distribution and density function are included, along with expected value...
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...
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.
Shodor Education Foundation
Shodor Interactivate: Stock Exchange Game
In this game, two players compete in a stock exchange, working with the concepts of theorertical and experimental probabilities and expected value. They must enter the probability and payoff of winning a single game, then observe the...
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Histogram and Probability Distribution Generator
The learning tool displays data in the form of a histogram. The tool also shows descriptive statistics and probability distributions. Examples of data are included.
Illustrative Mathematics
Illustrative Mathematics: Hss md.a.2
Three activities asking students to calculate the expected value of a random variable and interpret it as the mean of the probability distribution. Tasks include Bob's Bagel Shop, Fred's Fun Factory, and Sounds Really Good! (sort of).
University of Glasgow
Steps Statistics Glossary: Random Variables and Probability Distributions
This section of the Statistics Glossary offers definitions of terms having to do with random variables and probability distributions such as expected value and normal distribution.
Illustrative Mathematics
Illustrative Mathematics: S Md.2, 5 Sounds Really Good! (Sort Of)
A friend of yours, Phil, writes to you asking about a new scratch-off lottery game. It costs $10 to play this game. There are two outcomes for the game (win, lose) and the probability that a player wins a game is 60%. A win results in...
Illustrative Mathematics
Illustrative Mathematics: S Md Fred's Fun Factory
A famous arcade in a seaside resort town consists of many different games of skill and chance. In order to play a popular "spinning wheel" game at Fred's Fun Factory Arcade, a player is required to pay a small, fixed amount of 25 cents...
University of Glasgow
Steps Statistics Glossary: Normal Distribution
Overview of normal distribution, including the normal distribution model, the probability density function, and standard normal distribution. The parameters for "normal" distribution are provided.
Other
Teach Me Finance: Finance Tutorials
Are you looking to learn basic financial concepts? Teach Me Finance offers easy-to-use tutorials that introduce learner's to financial literacy.