A Study Investigated the Smoking Status of People in Two

question 26

Multiple Choice

A study investigated the smoking status of people in two age groups.Let
Represent the proportion of people aged 20-24 who are smokers.Let
Represent the proportion of people aged 25-29 who are smokers.A 95% confidence interval for the difference in smoking rates for
-
Was found to be (0.045,0.112) .Give an interpretation of this confidence interval.

• A)We know that 95% of the proportion of smokers aged 25-29 is between 4.5% and 11.2% lower than the proportion of smokers aged 20-24.
• B)We know that 95% of all random samples done on the population will show that the proportion of smokers aged 20-24 is between 4.5% and 11.2% higher than the proportion of smokers aged 25-29.
• C)We are 95% confident that the proportion of smokers aged 25-29 is between 4.5% and 11.2% higher than the proportion of smokers aged 20-24.
• D)We know that 95% of the proportion of smokers aged 20-24 is between 4.5% and 11.2% more than the proportion of smokers aged 25-29.
• E)We are 95% confident that the proportion of smokers aged 20-24 is between 4.5% and 11.2% higher than the proportion of smokers aged 25-29.

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Definitions:

Service Quality

The degree to which a service meets the expectations and needs of its customers, often assessed through factors like reliability, responsiveness, and empathy.

Knowledge Gap

The difference between what is known and what needs to be known; often relevant in research and decision-making contexts.

Service Quality

The measure of how well a delivered service matches customer expectations, reflecting the discrepancy between perceived service and expected service.

Assurance

Confidence or guarantee in the quality or performance of a product, service, or outcome.