Probability and Distributions




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Unit 2 – Probability and Distributions

Type your Name Here

American InterContinental University



This is a single paragraph, no indentation is required. The next page will be an abstract; “a brief, comprehensive summary of the contents of the article; it allows the readers to survey the contents of an article quickly” (Publication Manual, 2010). The length of this abstract should be 35-50 words (2-3 sentences). NOTE: the abstract must be on page 2 and the body of the paper will begin on page 3.












Dear [Recipient] :


            Provide a brief introduction (2-3 sentences) to the email you are writing to provide a preview of what will be covered.

Overview of the Data Set

            Provide an overview for the current data set.  What variables does it include? Which are qualitative, which are quantitative? What categories are used and why are they used? Begin your e-mail to AIU by first providing an overview of the database, that is, a story about the characteristics that may include types of variables, etc.

Use of Statistics and Probability in the Real World

            This is a great place for outside research. Be sure to include information about where statistics are being used in the workplace.

The Value of Statistics

            Explain the value of statistics and its contribution to the success of an organization. This is a great place for outside research.


            Write a brief introduction (1-2 sentences) about the information you can find in a distribution table.  Why is this information useful to AIU? 

Then complete the following distribution tables.  Please pay attention to whether you should present the results in terms of percentages or simple counts.

Distribution of Individuals by Gender       








Tenure with Company Distribution by Gender


Please note that you do NOT have to convert these into percentages. You may leave them in a count format.              


Under 2 years

2-5 Years

Over 5 years










Percentage of the Survey Participants in Each Department




Information Technology


Human Resources






Sample Mean for Extrinsic Value by Gender


Mean Extrinsic Value







            Write a brief 1-2 sentence introduction about which probabilities you will calculate and why the information is useful for AIU.

Then complete the following table.  Please remember to always use the TOTAL number of respondents for your denominator when calculating each probability.





Probability that an individual will be between 16–21 years of age



Probability that an individual’s overall job satisfaction is 5.2 or lower



Probability that an individual will be a female in the human resources department



Probability that an individual will be a salaried employee whose intrinsic satisfaction value is 5 or more




Probabilities in the Business World

            RESEARCH REQUIRED: other ways that probability is used in business. Deductions for not using APA format are applied in this section.


            Write a brief conclusion that sums up the importance of the information contained in this email.  Sum it all up for the reader in a few sentences in the same way you would do in a professional environment!



Your name

Your title



NOTE: The reference list starts on a new page after your conclusion.

For help with formatting citations and references using rules outlined in the APA Manual’s 6th Edition, please check out the AIU APA guide located under the Interactive Learning section on the left side of the course.



American Psychological Association [APA]. (2010) Publication manual of the American

Psychological association (6th ed.). Washington, DC: Author.

Association of Legal Writing Directors (ALWD) (2005). ALWD citation manual: A professional

system of citation (3rd ed.). New York: Aspen Publishers.