CSSBB practice question 22 of 25
= 0.05 A machine tool vender wants to sell an injection molding machine. The current machine produces 3.2% defectives. A sample of 1100 from the…
Choose your answer, then check it against the explanation.
= 0.05
A machine tool vender wants to sell an injection molding machine. The current machine produces
3.2% defectives. A sample of 1100 from the vender ’s machine has 2.9% defective. Do these numbers
indicate that the proposed machine has a lower rate of defectives?
Question 22 of 25
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