Which of the Following Critical Values Is Appropriate for a $\sigma = 27$

question 47

Multiple Choice

Which of the following critical values is appropriate for a 98% confidence level where n=7 ; $\sigma = 27$ and the population appears to be normally distributed.

• A) \(z _ { \alpha / 2 } = 2.33\)
• B) \(z _ { \alpha / 2 } = 2.05\)
• C) \(t _ { \alpha / 2 } = 1.96\)
• D) \(t _ { \alpha / 2 } = 2.575\)

---

Definitions:

Interconnected

refers to the state of being connected with each other, especially in terms of systems, devices, or networks allowing for communication or interaction.

Social Engineering

Getting around security systems by tricking computer users inside a company into revealing sensitive information or gaining unauthorized access privileges.

Confidential

Information or material designated as private or secret, requiring careful handling and restricted access to protect privacy or integrity.

Credit Bureaus

Institutions that collect and compile individual credit histories, providing credit reports to lenders for decision-making purposes.