Question

20 POINTS PLS HELPif the teacher uses 90% confidence interval instead of 98% confidence interval what happens to the width of confidence interval?*decreases by 8%*decreases, but not necessarily by 8%

Answer 1

The width of the confidence interval is not proportional with the percentage of confidence, so if the confidence interval is reduced from 90% to 98% the width of confidence interval decrease but not necessarily by 8%.