A Random Sample of 25 Students Selected from the Student

question 48

Multiple Choice

A random sample of 25 students selected from the student body of a large university had an average age of 25 years and a standard deviation of 2 years. We want to determine if the average age of all the students at the university is significantly more than 24. Assume the distribution of the population of ages is normal. The p-value is between

• A) .005 to .01.
• B) .01 to .025.
• C) .025 to .05.
• D) .05 to .10.

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Definitions:

Adverse Selection

Adverse selection also pertains to the tendency of those in dangerous jobs or high-risk lifestyles to acquire life or health insurance to a greater extent than those with lower-risk profiles, thereby distorting the market.

Unobservable Actions

Actions taken by individuals or entities that cannot be seen or measured directly, often relevant in contexts of performance evaluation or trust.

Moral Hazard

The situation where one party to a transaction can take risks without having to suffer consequences, often because another party bears the cost of those risks.

Mortgage Lender

A financial institution or individual that provides loans to borrowers for the purpose of purchasing real estate, with the property serving as collateral.