Use the Confidence Level and Sample Data to Find a Confidence

question 4

Multiple Choice

Use the confidence level and sample data to find a confidence interval for estimating the population µ.
-The duration of telephone calls directed by a local telephone company: $\sigma = 4.1$ minutes, $\mathrm { n } = 540$ , 97 percent confidence.

• A)0.008 minutes
• B)0.016 minutes
• C)0.081 minutes
• D)0.383 minutes

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Definitions:

Cognitive Dissonance

The mental discomfort experienced by a person who holds two or more contradictory beliefs, ideas, or values at the same time.

Suggestion Technique

A selling technique where the salesperson proposes options or ideas to the customer to encourage making a purchase decision or enhancing the purchase.

Customer Testimonials

Customer testimonials are written or recorded statements from satisfied customers, extolling the virtues and benefits of a product, service, or company.

Customer Participation

The involvement of customers in the development, delivery, and evaluation of products or services, often leading to improved customer satisfaction and loyalty.