.qx3zqy7 Jump to level 1 A poll for a statewide election has a margin of error of 4.97 percentage points. How many voters should be sampled for a 95% confidence interval? Round up to the nearest whole number. Ex: 1234 voters 4

MATLAB: An Introduction with Applications
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A poll for a statewide election has a margin of error of 4.97 percentage points. How many voters should be sampled for a 95% confidence interval? Round up to the nearest whole number.

Critical values for quick reference during this activity.
Confidence level Critical value
: 1.645
0.90
0.95
0.99
457270.3064540.qx3zqy7
Z*
2*
=
=
=
1.960
2.576
Jump to level 1
A poll for a statewide election has a margin of error of 4.97 percentage points.
How many voters should be sampled for a 95% confidence interval? Round up
to the nearest whole number.
Ex: 1234
Check
1
voters
Next
2
3
4
1
2
3
4
Transcribed Image Text:Critical values for quick reference during this activity. Confidence level Critical value : 1.645 0.90 0.95 0.99 457270.3064540.qx3zqy7 Z* 2* = = = 1.960 2.576 Jump to level 1 A poll for a statewide election has a margin of error of 4.97 percentage points. How many voters should be sampled for a 95% confidence interval? Round up to the nearest whole number. Ex: 1234 Check 1 voters Next 2 3 4 1 2 3 4
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