A Researcher Chooses a Simple Random Sample of 100 Lexington

Multiple Choice

A researcher chooses a simple random sample of 100 Lexington, Kentucky, residents and finds that 20 of them have put in a reservation for a Tesla Model 3. A 95 percent confidence interval for the proportion of all Lexington, Kentucky, residents who have put in a reservation for that car is (approximately) :

A) 20 ± 3.
B) 0.10 ± 0.04.
C) 0.95 ± 0.20.
D) 20 ± 6.
E) 0.20 ± 0.08.