A study considered the question Are you a registered voter

Last updated: 11/30/2023

A study considered the question Are you a registered voter Accuracy of response was confirmed by a check of city voting records Two methods of survey were used a face to face interview and a telephone interview A random sample of 92 people were asked the voter registration question face to face Of those sampled seventy eight respondents gave accurate answers as verified by city records Another random sample of 84 people were asked the same question during a telephone interview Of those sampled seventy three respondents gave accurate answers Assume the samples are representative of the general population USE SALT a Let p be the population proportion of all people who answer the voter registration question accurately during a face to face interview Let p be the population proportion of all people who answer the question accurately during a telephone interview Find a 95 confidence interval for P P2 Round your answers to three decimal places lower limit upper limit b Does the interval contain numbers that are all positive all negative mixed Comment on the meaning of the confidence interval in the context of this problem At the 95 level do difference in