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In a survey of 3153 adults, 1407 say they have started paying bills online in the last year.

Construct a? 99% confidence interval for the population proportion. Interpret the results.

A? 99% confidence interval for the population proportion is ( ? , ? )

?(Round to three decimal places as? needed.)

Interpret your results. Choose the correct answer below.

A. With? 99% confidence, it can be said that the population proportion of adults who say they have started paying bills online in the last year is between the endpoints of the given confidence interval.

B. With? 99% confidence, it can be said that the sample proportion of adults who say they have started paying bills online in the last year is between the endpoints of the given confidence interval.

C. The endpoints of the given confidence interval show that adults pay bills online? 99% of the time.

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