A Manufacturing Company Produces Part A732 for the Aerospace Industry

question 35

Multiple Choice

A manufacturing company produces part A732 for the aerospace industry.This particular part can be manufactured using 3 different production processes.The management wants to know if the quality of the units of part A732 is the same for all three processes.The production supervisor obtained the following data: Process 1 had 29 defective units in 240 items,Process 2 produced 12 defective units in 180 items,and Process 3 manufactured 9 defective units in 150 items.At a significance level of .05,the management wants to perform a hypothesis test to determine whether the quality of items produced appears to be independent of the production process used.What is the rejection point condition?

• A)Reject H₀ if χ² > .10257
• B)Reject H₀ if χ² > 9.3484
• C)Reject H₀ if χ² > 5.99147
• D)Reject H₀ if χ² > 7.37776
• E)Reject H₀ if χ² > 7.81473

---

Definitions:

Aerobic

Pertaining to or involving the use of oxygen; aerobic exercise increases heart and respiratory rates to improve the body's oxygen consumption.

Oxygen Intake

The process of taking in oxygen from the air and delivering it to the lungs, where it is absorbed into the bloodstream for bodily functions.

Chlamydia

A common sexually transmitted infection caused by the bacterium Chlamydia trachomatis, often asymptomatic but treatable with antibiotics.

Cervical Cancer

A type of cancer that occurs in the cells of the cervix, which is the lower part of the uterus that connects to the vagina.