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

question 66

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} Estimate with 95% confidence the difference in population proportions.

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Definitions:

Cash Account

An account that tracks the amount of cash available to a business or individual.

Raw Materials Inventory

The total cost of all the materials kept in stock that have not yet been used in manufacturing.

Net Operating Income

The total profit of a company after operating expenses are subtracted from operating revenues but before deducting taxes and interest.

Materials Quantity Variance

The deviation found by multiplying the standard cost per unit with the difference in the actual and expected standard volumes of materials used in the production process.