An article reported that 27% of US consumers would prefer to have a car that runs on diesel than gasoline. Suppose you suspect that the proportion might be different in your city than
where this survey was conducted. What is the required sample size if you want to estimate the
proportion to within .05 with a 95% confidence?
Remember: ME=2*
|p(1-p)
A. 385
B. 384
O
C. 303
D. 302