Consider the Following to Answer the Question(s) Below

question 31

Multiple Choice

Consider the following to answer the question(s) below:
A company manufacturing computer chips finds that 8% of all chips manufactured are defective. Management is concerned that high employee turnover is partially responsible for the high defect rate. 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 chips revealed only 27 defects. Was the additional training effective in lowering the defect rate?
-At α = 0.01

• A) we can conclude that the additional training significantly lowered the defect rate.
• B) we can conclude that the additional training did not significantly lower the defect rate.
• C) we can conclude that the additional training significantly increased the defect rate.
• D) we can conclude that the additional training significantly affected the defect rate.
• E) we can conclude that the additional training probably increased the defect rate..

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