Question

In a recent international poll, five of 42 respondents rated the likelihood of a terrorist attack in their community as "likely" or "very likely." Use the "plus four" method to create a 97% confidence interval for the proportion of American adults who believe that a terrorist attack in their community is likely or very likely. (Round your answers to two decimal places.)

( , )

Explain what this confidence interval means in the context of the problem.

A.We are 97% confident that the true proportion of American adults that believe that a terrorist attack in their community is likely or very likely lies within this interval.

B.We are 97% confident that the proportion of American adults in the sample of 42 adults that believe that a terrorist attack in their community is likely or very likely lies within this interval.    

C.We are 97% confident that an American adult believes that a terrorist attack in their community is likely or very likely.

D.There is a 97% chance that an American adult believes that a terrorist attack in their community is likely or very likely.

Answer 1