Averages and Probability
Read this section up to "Use the Basic Definition of Probability". Pay close attention to the summaries of how to do mean, median, and mode calculations. After you read, do examples 5.49–5.55 and check your answers.
Click https://cnx.org/contents/yqV9q0HH@20.3:PGHHWap7@19/5-5-Averages-and-Probability link to open resource.