SCENARIO 10-12 A Quality Control Engineer Is in Charge of the Manufacture

question 151

Short Answer

SCENARIO 10-12
A quality control engineer is in charge of the manufacture of USB flash drives.Two different processes can be used to manufacture the flash drives.He suspects that the Kohler method produces a greater proportion of defects than the Russell method.He samples 150 of the Kohler and 200 of the Russell flash drives and finds that 27 and 18 of them,respectively,are defective.If Kohler is designated as "Group 1" and Russell is designated as "Group 2," perform the appropriate test at a level of significance of 0.01.
-Referring to Scenario 10-12,construct a 90% confidence interval estimate of the difference in proportion between the Kohler and Russell flash drives that are defective.

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Definitions:

Medical Doctor

A professionally trained and licensed individual authorized to practice medicine, including diagnosing illnesses and prescribing and administering treatment for people suffering from injury or disease.

Differentiated Products

Goods or services that are distinguished from similar products in the market by unique characteristics or features.

High Barriers

Obstacles that make it difficult to enter a particular market or industry, which can include things like high investment costs, stringent regulations, or established competition.

Few Firms

A market condition characterized by a small number of companies controlling the majority of market share, often leading to oligopoly dynamics.