3. In a recent survey, 39% of people in the United States say that gas prices have affected the type of vehicle they will buy. In a sample of 500 people who are in the market for a new vehicle, how many would you expect to be influenced by gas prices?

To calculate the number of people who would be expected to be influenced by gas prices in a sample of 500 people, we need to multiply the percentage of people who say gas prices affect their vehicle choice (39%) by the total number of people in the sample (500):

Number of people influenced = 39% * 500

Number of people influenced = 0.39 * 500

Number of people influenced = 195

Therefore, we would expect approximately 195 people to be influenced by gas prices in a sample of 500 people.