A CBS News/New York Times opinion poll asked 1050 adults whether they would prefer balancing the federal budget over cutting taxes; 602 of those asked said "Yes." The poll was carried out by telephone, so people without phones are always excluded from the sample. What is the sample proportion () used to estimate the population proportion p of all adults who would prefer balancing the federal budget over cutting taxes? Find the 95% confidence interval for the population proportion p of all adults who would prefer balancing the federal budget over cutting taxes