A Quality Engineer in a Light Bulb Factory Is Planning

question 32

Multiple Choice

A quality 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 15 hours with 95 percent confidence.Assuming a process standard deviation of 100 hours,determine the sample size for this study.

• A)7
• B)43
• C)58
• D)171

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Definitions:

Discretionary Stakeholders

Stakeholders who do not have a direct stake in the business or project but may be affected or can influence it voluntarily.

Legitimacy

The perception or recognition by stakeholders that actions, decisions, or leadership are appropriate, proper, and justified within a socially constructed system of norms, values, beliefs, and definitions.

Dependent Stakeholders

Individuals or groups who rely on a business's success or failure for their own benefit but don't have direct control over its operations.

Urgency and Legitimacy

The critical need for action combined with the recognized authenticity or credibility that prompts such action.