In a survey of 3316​adults, 1433 say they have started paying bills online in the lastyear. Construct a​ 99% confidence interval for the populationproportion. Interpret the results.
(a) A​ 99% confidenceinterval for the population proportion is ( ),( ).
​(Round to threedecimal places as​ needed.)
(b) Interpret yourresults. Choose the correct answer below:
1. With​ 99%confidence, it can be said that the population proportion of adultswho say they have started paying bills online in the last year isbetween the endpoints of the given confidence interval.
2. The endpoints ofthe given confidence interval show that adults pay bills online​99% of the time.
3. With​ 99%confidence, it can be said that the sample proportion of adults whosay they have started paying bills online in the last year isbetween the endpoints of the given confidence interval.