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A company manufacturing computer chips finds that​ 8% of all chips manufactured are defective. In an...

A company manufacturing computer chips finds that​ 8% of all chips manufactured are defective. In an effort to decrease the percentage of defective​ chips, management decides to provide additional training to those employees hired within the last year. After training was​ implemented, a sample of 450 randomly selected chips revealed only 27 defects. A hypothesis test is performed to determine if the additional training was effective IN LOWERING the defective rate. Which of the following statement is true about this hypothesis​ test?

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