The Mean Life of a Particular Brand of Light Bulb

question 78

Multiple Choice

The mean life of a particular brand of light bulb is 1000 hours and the standard deviation is 50 hours.It can be concluded that at least 89% of this brand of bulbs will last between ___.

• A)900 and 1100 hours
• B)950 and 1050 hours
• C)850 and 1150 hours
• D)800 and 1200 hours
• E)1050 and 1250 hours

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Definitions:

Workforce Knowledge

The collective skills, expertise, and understanding possessed by an organization’s employees.

Skill Competencies

The set of abilities, knowledges, and skills that enable an employee to perform job tasks successfully.

Current Time Horizons

The present period during which an organization or individual focuses their planning and decision-making efforts.

Future Time Horizons

A planning period in the future for which predictions or plans are made, often used in strategic planning.