A Random Sample of 25 Employees of a Local Company

question 90

Multiple Choice

A random sample of 25 employees of a local company has been taken. A 95% confidence interval estimate for the mean systolic blood pressure for all employees of the company is 123 to 139. Which of the following statements is valid?

• A) ​95% of the sample of employees has a systolic blood pressure between 123 and 139.
• B) ​If the sampling procedure were repeated many times, 95% of the resulting confidence intervals would contain the population mean systolic blood pressure.
• C) ​95% of the population of employees has a systolic blood pressure between 123 and 139.
• D) ​If the sampling procedure were repeated many times, 95% of the sample means would be between 123 and 139.

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Definitions:

Generalized Reciprocity

A type of exchange where goods or services are provided without an immediate or specified return, often found within close relationships or communities.

Close Kin

Family members closely related by blood, typically immediate family such as parents, children, and siblings.

Entrepreneurs

Individuals who create, organize, and operate businesses, taking on greater than normal financial risks in order to do so, often seen as innovators who drive economic growth.

Traders

Individuals or entities engaged in the buying and selling of goods, services, or financial instruments, often acting as intermediaries in trade transactions.