A Random Sample Is to Be Selected from a Population

question 29

Multiple Choice

A random sample is to be selected from a population that has a proportion of successes p = 0.50. Determine the mean and standard deviation of the sampling distribution of for the sample size n = 100. ​

• A)mean: = 0.50; standard deviation: = 0.05
• B)mean: = 0.50; standard deviation: = 0.075
• C)mean: = 0.50; standard deviation: = 0.041
• D)mean: = 0.85; standard deviation: = 0.48
• E)mean: = 0.85; standard deviation: = 0.048

---

Definitions:

Business Letters

Formal letters used for professional correspondence between companies, clients, and other entities.

One-inch Margins

One-inch margins refer to the standard formatting guideline for documents where all edges of the document are set to be one inch away from the paper's borders.

Notations

Information found at the end of a business letter indicating enclosures included with the letter and the names of other people who will be receiving copies of the letter.

Enclosures

Materials that are included in the same envelope as the primary letter.