A Company Manufacturing Computer Chips Finds That 8% of All

question 27

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. Which of the following statement is true about this hypothesis test?

• A) It is a two tailed test about a proportion.
• B) It is a one tailed test about a mean.
• C) It is a one tailed test about a proportion.
• D) It is a two tailed test about a mean.
• E) None of the above.

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Definitions:

NADPH

Nicotinamide adenine dinucleotide phosphate, a coenzyme involved in cellular processes, mainly anabolism and as a reducing agent in anabolic reactions.

Phosphate Group

A chemical group consisting of phosphorus bonded to four oxygen atoms, important in energy transfer.

Photorespiration

A process in plant metabolism where the enzyme RuBisCO oxygenates RuBP, wasting energy and reducing photosynthetic efficiency under certain conditions.

C3

A pathway in photosynthesis where the fixation of carbon dioxide produces a three-carbon compound as the first stable product.