A pollster wants to construct a 98 confidence interval for

Last updated: 1/11/2023

A pollster wants to construct a 98 confidence interval for the proportion of adults who believe that economic conditions are getting better i A Gallup poll estimates this proportion to be 0 34 Using this estimate what sample size is needed so that the confidence interval will have a margin of error of 0 03 ii Estimate the sample size needed if no estimate of p is available O i 675 ii 752 O i 1349 ii 1503 O i 1655 ii 1844 O i 958 ii 1068