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learn.zybooks.com Onli. Grades - MAT-243-16020 Applied Statistics for STEM 2... 5.3. Confidence intervals for population proportions...
Bookmarks Window Help learn.zybooks.com Campus & Onli... Grades - MAT-243-J6020 Applied Statistics for STEM 2... 5.3. Confidence intervals for population proporti MAT 243: Applied Statistics for Science, Technology, Engineering, and M... > ence intervals for population proportions zyBoo CHALLENGE ACTIVITY 5.3.1: Confidence intervals for population proportions. Critical values for quick reference during this activity. Confidence level Critical value 0.90 2* = 1.645 0.95 = 1.960 0.99 z* = 2.576 Jump to level 1 In a poll of 1000 randomly selected...
CHALLENGE ACTIVITY 5.3.1: Confidence intervals for population proportions. Critical values for quick reference during this activity. Confidence level Critical value 0.90 = 1.645 0.95 z* = 1.960 0.99 2.576 Jump to level 1 In a poll of 1000 randomly selected voters in a local election, 34 voters were against fire department bond measures. What is the 99% confidence interval? (Ex: 0.123 Ex: 0.1230 ] (smaller value, larger value] 2 Check Next Feedback
cal values for quick reference during this activity. Confidence level Critical value 0.90 z* = 1.645 0.95 1.960 0.99 2.576 Jump to level 1 1 A poll reported 65% support for a statewide election with a margin of error of 4.33 percentage points. 2 How many voters should be sampled for a 95% confidence interval? Round up to the nearest whole number 4 Ex: 1234 voters 3 Check Next Feedback?