TV advertising agencies face increasing challenges in reachingaudience members because viewing TV programs via digital streamingis gaining in popularity. A poll reported that 57% of 2342 Americanadults surveyed said they have watched digitally streamed TVprogramming on some type of device. (a) Calculate and interpret aconfidence interval at the 99% confidence level for the proportionof all adult Americans who watched streamed programming up to thatpoint in time. (Round your answers to three decimal places.) ,Interpret the resulting interval. We are 99% confident that thisinterval does not contain the true population proportion. We are99% confident that this interval contains the true populationproportion. We are 99% confident that the true populationproportion lies below this interval. We are 99% confident that thetrue population proportion lies above this interval. Correct: Youranswer is correct. (b) What sample size would be required for thewidth of a 99% CI to be at most 0.04 irrespective of the value ofp̂? (Round your answer up to the nearest integer.)
