Skip to main content Accessibility help
Internet Explorer 11 is being discontinued by Microsoft in August 2021. If you have difficulties viewing the site on Internet Explorer 11 we recommend using a different browser such as Microsoft Edge, Google Chrome, Apple Safari or Mozilla Firefox.

Chapter 5: Variance, Higher Moments, and Random Sums

Chapter 5: Variance, Higher Moments, and Random Sums

pp. 83-115

Authors

, Carnegie Mellon University, Pennsylvania
Resources available Unlock the full potential of this textbook with additional resources. There are free resources and Instructor restricted resources available for this textbook. Explore resources
  • Add bookmark
  • Cite
  • Share

Summary

In Chapter 4 we devoted a lot of time to computing the expectation of random variables. As we explained, the expectation is useful because it provides us with a single summary value when trading off different options. For example, in Example 4.1, we used the “expected earnings” in choosing between two startups.

About the book

Access options

Review the options below to login to check your access.

Purchase options

eTextbook
US$69.99
Hardback
US$69.99

Have an access code?

To redeem an access code, please log in with your personal login.

If you believe you should have access to this content, please contact your institutional librarian or consult our FAQ page for further information about accessing our content.

Also available to purchase from these educational ebook suppliers