A Company Manufacturing Computer Chips Finds That 8% of All

question 10

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.

---

Definitions:

Cognac

A type of brandy named after the town of Cognac in France, known for its strict production methods and aging process.

Handbags

Fashion accessories designed for carrying personal items, whose market dynamics can illustrate economic concepts of demand, supply, and price elasticity.

Exchange Rate

The valuation of one currency in the context of exchanging it for another.

Carrots

A root vegetable, typically orange in color, cultivated and consumed for its sweet flavor and nutritional value.