The Environmental Protection Agency (EPA) requires companies to limit chemicals

Question

The Environmental Protection Agency (EPA) requires companies to limit chemicals discharged into rivers and lakes to no more than a certain level (depending upon the chemical).

The EPA requires a maximum level of 50 parts-per-million of a specific chemical harmful to humans. The actual discharge level of the company varies so the EPA will take measurements over time and average the results.

H0: Average discharge level <= 50 ppm

Ha: Average discharge level > 50 ppm

Fill in the blank:

The Environmental Protection Agency (EPA) requires companies to limit chemicals discharged into rivers and lakes to no more than a certain level (depending upon the chemica) The EPA requires a maximum level of 50 parts-per-million of a specific chemical harmful to humans. The actual discharge level of the company varies so the EPA will take measurements over time and average the results. Average discharge level 50 ppm Fill in the blank: If the EPA commits a type error, then they would bring charges against a company although the company actually was in compliance with EPA standards. Alpha Beta

Explanation / Answer

option A is Correct. It should be Type 1 Error because in this case we reject the True Null Hypothesis

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