A Manufacturing Company Produces Part 2205 for the Aerospace Industry $\chi$

question 31

Multiple Choice

A manufacturing company produces part 2205 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 2205 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 \(\chi\)² > .10257
• B)Reject H₀ if \(\chi\)² > 9.3484
• C)Reject H₀ if \(\chi\)² > 5.99147
• D)Reject H₀ if \(\chi\)² > 7.37776
• E)Reject H₀ if \(\chi\)² > 7.81473

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Definitions:

Social Deprivation

The lack of socially nurturing environments and relationships, which can lead to adverse effects on development and well-being.

Adult Criminals

Individuals beyond the age of majority who engage in conduct that is considered an offense and punishable by law.

Material Goods

Physical items that are produced, bought, or sold to satisfy needs and desires, including consumer goods.

Social Interest

Concern for the welfare of others and one's community as a guiding principle of behavior.