Worker Safety an OSHA Agent Wanted to Determine If Efforts

question 44

Essay

Worker Safety An OSHA agent wanted to determine if efforts to promote safety have been successful. By checking the records of 250 workers, he found that 30 of them suffered either minor or major injuries that year. A random sample of 400 workers last year revealed that 80 suffered some form of injury. {Worker Safety Narrative} Can the statistician infer at the 5% significance level that efforts to promote safety have been successful?

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Definitions:

Industrial Food Production

The large-scale manufacturing of food products involving standardized and efficient methods, typically involving heavy use of chemical inputs and automation.

Mass Marketing

A strategy that involves targeting a large, broad audience with a single marketing message, often through mediums like television, radio, or online platforms.

Slash-And-Burn Cultivation

An extensive form of horticulture in which the natural vegetation is cut, the slash is subsequently burned, and crops are then planted among the ashes; also known as swidden farming.

Ecologically Adaptable

The ability of an organism to adjust and survive in different environmental conditions.