TV advertising agencies face increasing challenges in reaching audience members because viewing TV programs via digital streaming is gaining in popularity. A poll reported that 52% of 2347 American adults surveyed said they have watched digitally streamed TV programming on some type of device. (a) Calculate and interpret a confidence interval at the 99% confidence level for the proportion of all adult Americans who watched streamed programming up to that point in time. (Round your answers to three decimal places.) (No Response) 0.493 , (No Response) 0.546 Interpret the resulting interval. We are 99% confident that the true population proportion lies above this interval.We are 99% confident that this interval does not contain the true population proportion. We are 99% confident that this interval contains the true population proportion.We are 99% confident that the true population proportion lies below this interval. (b) What sample size would be required for the width of a 99% CI to be at most 0.03 irrespective of the value of p̂? (Round your answer up to the nearest integer.)