Question: Price of Gasoline You wish to estimate, with \(95 \%\) confidence, the population proportion of U.S. adults who think that the president can do a lot about the price of gasoline. Your estimate must be accurate within \(4 \%\) of the population proportion.

1. No preliminary estimate is available. Find the minimum sample size needed.
2. Find the minimum sample size needed, using a prior study that found that \(48 \%\) of U.S. adults think the president can do a lot about the price of gasoline.
3. Compare the results from parts (a) and (b).

Price: $2.99

Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document