2* = 2.576 0146.qx3zgy7 Jump to level 1 A poll for a statewide election has a margin of error of 4.69 percentage points. How many voters should be sampled for a 99% confidence interval? Round up to the nearest whole number.
2* = 2.576 0146.qx3zgy7 Jump to level 1 A poll for a statewide election has a margin of error of 4.69 percentage points. How many voters should be sampled for a 99% confidence interval? Round up to the nearest whole number.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Confidence level Critical value
0.90
z* = 1.645
0.95
z*
1.960
0.99
z* = 2.576
353722.1630146.qx3zqy7
Jump to level 1
A poll for a statewide election has a margin of error of 4.69 percentage points.
How many voters should be sampled for a 99% confidence interval? Round up
to the nearest whole number.
voters](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F302e2d83-124e-4749-a014-0416d12786b1%2F07ca300b-ab4d-4500-b2df-2b02f35461ad%2F93xbafi_processed.png&w=3840&q=75)
Transcribed Image Text:Confidence level Critical value
0.90
z* = 1.645
0.95
z*
1.960
0.99
z* = 2.576
353722.1630146.qx3zqy7
Jump to level 1
A poll for a statewide election has a margin of error of 4.69 percentage points.
How many voters should be sampled for a 99% confidence interval? Round up
to the nearest whole number.
voters
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