QUESTION 12 A medical researcher says that less than 25% of U.S. adults are smokers. In a simple random sample of 200 U.S. adults, 20% were smokers. Can we conclude that less than 25% of U.S. adults are smokers? Use 10% to decide. Round to the fourth as needed What's the minimum population size required? How many successes were there? Ho: Select an answer v Select an answer HA: Select an answer v Select an answer v Test Statistic: P-value: Did something significant happen? Select an answer Select the Decision Rule: Select an answer There Select an answer |enough evidence to conclude Select an answer V