Writing essay


In this assignment, you will provide a plain language explanation of the primary concepts of this topic and the types of probability distributions that may be used for it. In addition, you will provide examples of how your field would apply each of these probability calculations in your field to predict or present issues in and around the pandemic.

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Assignment Preparation

  • Review the key concepts in Chapter 3 (in blue font in the text, the things other than article citations) – I have resources that you can link to from the Communication Instructors Resources for Understanding Probability and Statistics page, that can be helpful in understanding the key concepts before getting into the numbers and calculations.

Assignment Requirements

While the primary purpose of this assignment is for you to think about and work with statistical concepts, it is important after you complete your writing that you take the time to review and edit it for coherence, completeness, and grammar. Using a grammar and spelling program such as Grammarly is highly recommended, as excessive grammar errors and incoherent writing will lower your grade.


  1. Use ONLY words (no formulas, no equations, and no symbols): Define in your own words what a random variable is and what makes it discrete? What limitations are there in using this approach to probability prediction? What type of data do you need?
  2. Define Expected Value in words only.
  3. For the following types of distributions explain in words (no formulas, no equations, and no symbols) what they model and what the given elements are for each (i.e. event, sample, conditional/independent). Then provide one example from your field *of how they could be applied (you may use sources but must have more than one, you may not quote them, and you must cite them):
    • Binomial
    • Hypergeometric
    • Negative Binomial
  4. How does the Bernoulli random variable relate to the binomial and negative binomial distributions?

* Think of the applications in your field as starting points for your group project case research. You may start developing that as early as you like. However, each group member must have a different case to present.

Assignment Requirements – Part B

If some, but not all of your group members post part A, you are not responsible for responding to assignments posted within the 24 hours before part B is due. If no group members post part A, everyone will get no points. If you alone post, you alone get points.

  • Review group members submittals and briefly respond
    • To each of the key elements of statistics that were identified to address if the elements identified correctly, and why you think so or not. Complete this by cutting and pasting the elements list into your response and responding to each.
    • To the concerns or strengths, your group member provided on their article. This may be written as a bulleted list OR a short paragraph, either alternative should respond to all of your group members’ feedback.

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