The Mean Life of a Particular Brand of Light Bulb

question 47

Multiple Choice

The mean life of a particular brand of light bulb is 1200 hours.If you know that at about 95% of this brand of bulbs will last between 1100 and 1300 hours, then what is the standard deviation of the light bulbs' life?

• A)25
• B)50
• C)75
• D)100
• E)200

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Definitions:

External Environment

The factors outside an organization that can influence its operation, including economic, political, technological, and social conditions.

High-Performance Work Practices

Organizational practices that enhance the productivity and effectiveness of an organization and its employees.

Human Capital

The skills, knowledge, and experience possessed by an individual or population, viewed in terms of their value or cost to an organization or country.

Organizational Effectiveness

Measures how efficiently and effectively an organization meets its goals and satisfies its stakeholders.