7 4 % Thu 7:2 Edit View History Bookmarks Window Help 0 learn.zybooks.com C My library > MAT 240: Applied Statistics home > zyBooks catalog ? Help/FAQ ks 7.2: Confidence intervals for population proportions CHALLENGE 7.2.1: Confidence intervals for population proportions. ACTIVITY Critical values for quick reference during this activity. Confidence level Critical value 0.90 2* = 1.645 0.95 2* = 1.960 0.99 2* = 2.576 376960.2353960.qx3zay7 Jump to level 1 In a poll of 1000 randomly selected voters in a local election, 673 voters were against fire department bond measures What is the sample proportion p? Ex: 0.123@ . What is the margin of error m for the 95% confidence level? Ex: 0.123 ) 1 Check Next Feedback? CHALLENGE ACTIVITY 7.2.2: Confidence intervals for population proportions (two-tailed). 10 E3 F4 F5 F6 F7 @ F10 F11 # N & W 5 6 8 O W E R T Y U O P S D F G H K