A Sample of Components Made by a Factory in China

question 7

Multiple Choice

A sample of components made by a factory in China shows that 6 out of a sample of 50 were found to be faulty. What is the width of a 95% confidence interval (z = 1.96) for the defect rate (2 decimal places) ?

• A) 0.12 ± 0.06
• B) 0.12 ± 0.09
• C) 0.12 ± 0.12
• D) 0.12 ± 0.15

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Definitions:

Customer Complaints

Refers to expressions of dissatisfaction or concerns raised by customers regarding a company's products or services.

Third-Party Response

Reactions or actions taken by an external entity, not directly involved in a transaction or interaction, in response to an event or situation.

Voice Response

A technology that allows computers to interact with humans through the use of voice and DTMF tones input via a keypad.

Consumer Satisfaction

Consumer satisfaction is the measure of how products or services supplied by a company meet or surpass a customer's expectations, often considered key to building brand loyalty.