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} What is the p-value of the test? Explain how to use it for testing the hypotheses.

Question

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} What is the p-value of the test? Explain how to use it for testing the hypotheses.

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The Answer of 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} What is the p-value of the test? Explain how to use it for testing the hypotheses.

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