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How many voters should be sampled for a 99% confidence interval? Round up to the nearest whole number.

How many voters should be sampled for a 99% confidence interval? Round up to the nearest whole number.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Confidence level Critical value z* = 1.645 0.90 0.95 0.99 481728.3343980.qx3zqy7 z* = 1.960 = 2.576 Jump to level 1 A poll reported 63% support for a statewide election with a margin of error of 2.9 percentage points. How many voters should be sampled for a 99% confidence interval? Round up to the nearest whole number. Ex: 1234 voters
Transcribed Image Text:Confidence level Critical value z* = 1.645 0.90 0.95 0.99 481728.3343980.qx3zqy7 z* = 1.960 = 2.576 Jump to level 1 A poll reported 63% support for a statewide election with a margin of error of 2.9 percentage points. How many voters should be sampled for a 99% confidence interval? Round up to the nearest whole number. Ex: 1234 voters
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