An investor is considering funding a new video game. She wants to know the proportion of people in the United States who play video games. A survey is being planned. She wants to be 98% confident that the estimated proportion is within 2% of the true popluation proportion. a. Estimate the sample size needed. b. If the investor wanted to estimate the proportion of people who play video games in the entire world rather than just in the United States, would the necessary sample size be larger, smaller, or the same? Larger Smaller The Same