A Company Manufacturing Computer Chips Finds That 8% of All

question 4

Multiple Choice

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 chips revealed only 27 defects.A hypothesis test is performed to determine if the additional training was effective in lowering the defect rate.The correct value of the test statistic is ________________________ .

• A)z = -1.56
• B)z = -2.57.
• C)z = 1.56.
• D)z = 1.96
• E)z = -2.57

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Definitions:

Total Effort

The full allocation of one's energy and resources towards achieving a task or objective.

Motivation

The intrinsic or extrinsic factors that stimulate people to act or behave in a certain way.

Moralizing

The act of expressing opinions about the rightness or wrongness of actions or behavior, often in a judgmental way.

Prescriptive

Relating to the imposition or application of rules or recommendations.