Question

In a city of over 1,000,000 residents, 14% of the residents are senior citizens. In a simple random sample of 1200 residents, there is about a 95% chance that the percent of senior citizens is in the interval [pick the best option; even if you can provide a sharper answer than you see in the choices, please just pick the best among the options a-d]

Answer 1

options are:
9% to 19%
10% to 18%
11% to 17%
12% to 16%
13% to 15%

Answer 2

12% to 16%