A certain forum reported that in a survey of 2008 American

Last updated: 6/30/2023

A certain forum reported that in a survey of 2008 American adults 21 said they believed in astrology a Calculate a confidence interval at the 99 confidence level for the proportion of all adult Americans who believe in astrology Round your answers to three decimal places 0 233 0 187 Interpret the resulting interval We are 99 confident that the true population mean lies above this interval We are 99 confident that this interval contains the true population mean We are 99 confident that the true population mean lies below this interval We are 99 confident that this interval does not contain the true population mean b What sample size would be required for the width of a 99 CI to be at most 0 05 irrespective of the value of p Round your answer up to the nearest integer 441 X