Internet Access a Recent Gallup Poll Found That 28% of U.S

Essay

Internet access A recent Gallup poll found that 28% of U.S. teens aged 13-17 have a
computer with Internet access in their rooms. The poll was based on a random sample of
1028 teens and reported a margin of error of $$\pm 3 \%$$
3%. What level of confidence did Gallup use
for this poll?