Examlex
A Christmas tree light has an expected life of 100 hr and a standard deviation of 3 hr.
Estimate the probability that one of these Christmas tree lights will last between 94 and 106 hr.
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Suppose 170,000 of these Christmas tree lights are used by a large city as part of its Christmas decorations. Estimate the number of lights that will require replacement between 70 and 130 hr of use.
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Chiefdom
A form of hierarchical political organization in pre-industrial societies ruled by a chief who typically inherits their status.
Formal Authority
The power granted to an individual or organization based on established laws, rules, or positions, enabling them to enforce rules and make decisions.
Military Rank
A hierarchical position in armed forces determining authority, duties, and status.
Inuit Societies
Indigenous peoples living in the Arctic regions of Greenland, Canada, and Alaska, known for their rich culture and adaptation to cold environments.
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