Construct a 90 confidence interval of the population

Last updated: 7/15/2023

Construct a 90 confidence interval of the population proportion using the given information x 40 n 200 Level of Confidence 1 a 100 90 95 99 The lower bound is Area in Each Tail 0 05 0 025 0 005 2 The upper bound is Round to three decimal places as needed Critical Value z 1 645 1 96 2 575