Worker Safety An OSHA Agent Wanted to Determine If Efforts to Promote

question 37

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:

Animal's Phenotype

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Personality

This term refers to the unique and relatively stable patterns of behavior, thoughts, and emotions that define an individual's personal style of interacting with the world.

Intelligence

The capacity for learning, reasoning, understanding complex ideas, and adapting to new situations.

Behavioral Disposition

The tendency of an individual to behave in a certain way in response to a particular situation or stimulus.