A​ 99% confidence interval for the population proportion is left parenthesis nothing comma nothing right parenthesis?

In a survey of 2606 ​adults, 1490 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 left parenthesis nothing comma nothing right parenthesis