Nine Out of 25 Randomly Selected Students of WMU Live

question 59

Multiple Choice

Nine out of 25 randomly selected Students of WMU live in Southwest Michigan. The result says that the true proportion could be as low as 0.17 or as high as 0.55. If we
Want to reduce the margin of error from 0.19 to 0.10. Using the estimate of 0.36 based on
The initial sample, what sample size would be needed to achieve the reduced margin of
Error?

• A) 92
• B) 85
• C) 10
• D) 50
• E) Cannot be determined

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Definitions:

Medicaid

A government-sponsored insurance program in the United States providing health coverage to individuals and families with low income and resources.

Range

The difference between the highest and lowest values in a set of numbers.

Uninsured Senior Citizens

Individuals over a defined age, often 65 and above, who do not have medical insurance coverage.

Net Worth

Net worth is the total assets minus total outside liabilities of an individual or a company, indicating financial health or position.