Data in 1980 Showed That About 40% of the Adult

question 8

Multiple Choice

Data in 1980 showed that about 40% of the adult population had never smoked cigarettes.In 2004, a national health survey interviewed a random sample of 2000 adults and found that 50% had never been smokers.Create a 95% confidence interval for the proportion of adults (in 2004) who had never been smokers.

• A)Based on the data, we are 95% confident the proportion of adults in 2004 who had never smoked cigarettes is between 47.8% and 52.2%.
• B)Based on the data, we are 95% confident the proportion of adults in 2004 who had never smoked cigarettes is between 37.4% and 52.2%.
• C)Based on the data, we are 95% confident the proportion of adults in 2004 who had never smoked cigarettes is between 47.8% and 58.2%.
• D)Based on the data, we are 95% confident the proportion of adults in 2004 who had never smoked cigarettes is between 40% and 60%.
• E)Based on the data, we are 95% confident the proportion of adults in 2004 who had never smoked cigarettes is between 47.8% and 63.2%.

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Definitions:

Systematic Processing

A mode of information processing that involves careful and thoughtful consideration of all available information and evidence.

Heuristic

A simple, efficient rule or method used to make decisions, learn something, or solve problems quickly.

Door-In-The-Face Tactic

Multiple-request technique to gain compliance, in which the focal request is preceded by a larger request that is bound to be refused.

Compliance Technique

Strategies used to persuade or influence others to agree with or obey a request or command.