Home * Gradebook X zy Section 5.8 - QNT/275T: Statistic: X Course Hero x + X Cn https://learn.zybooks.com/zybook/ONT_275T_55318202/chapter/5/section/8?content_resource_id=42551263 G S Bookmarks b Suggested Sites ) Imported From IE ( eCampus: Login N Netflix 18"(3 ) Imported From IE (2) New Tab G Google R* Getsmarter.com -.. Imported From IE (3) Raymour and Flani. > | Other favorites =zyBooks My library > QNT/275T: Statistics for Decision Making home > 5.8: Confidence intervals for population proportions zyBooks catalog ? Help/FAQ @ Bill Mccarthy Feedback? CHALLENGE ACTIVITY 5.8.1: Confidence intervals for population proportions. Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* = 1.645 0.95 z* = 1.960 0.99 z* = 2.576 380506.1429276.qx3zay7 Jump to level 1 A poll for a statewide election has a margin of error of 1.57 percentage points. How many voters should be sampled for a 95% confidence interval? Round up to the nearest whole number. Ex: 1234$ voters 2 Check Next O 1:33 PM 2/6/2022 5