A Testing Engineer in a Light Bulb Factory Is Planning

question 38

Multiple Choice

A testing engineer in a light bulb factory is planning a study to estimate the average life of a large shipment of light bulbs.The engineer wants to estimate the average life within plus or minus 16 hours with 95 percent confidence.Assuming a process standard deviation of 90 hours,determine the sample size for this study.

• A)7
• B)43
• C)58
• D)122

---

Definitions:

Psychoanalytic Approach

A psychological theory and therapeutic method developed by Sigmund Freud that emphasizes unconscious motives and conflicts as drivers of human behavior.

Deviant Behavior

Actions that violate established norms, values, or ethical standards within a society or organization, potentially causing harm or disruption.

Extrinsic Motivation

The motivation to engage in an activity due to external rewards or pressures, rather than for the sake of enjoyment or interest in the task itself.

Economic Gain

The increase in economic wealth or benefit, typically measured in terms of profit, revenue growth, or asset value.