Confidence level Critical value 0.90 z = 1.645 0.95 1.960 %3D 0.99 z* = 2.576 %3D 377308.2364912.gx3zqy7 Jump to level 1 A poll reported 34% support for a statewide election with a margin of error 1.64 percentage points. How many voters should be sampled for a 90% confidence interval? Rounc to the nearest whole number.

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LI TIs activiy.
Mity.
Confidence level Critical value
0.90
メ= 1.645
0.95
* =
3D1.960
*:
0.99
=D2.576
Jump to level 1
A poll reported 34% support for a statewide election witha margin of error of
1.64percentage points
How many voters should be sampled for a 90% confidence interval? Round y
to the nearest whole number
Ex-1234 voters
Transcribed Image Text:LI TIs activiy. Mity. Confidence level Critical value 0.90 メ= 1.645 0.95 * = 3D1.960 *: 0.99 =D2.576 Jump to level 1 A poll reported 34% support for a statewide election witha margin of error of 1.64percentage points How many voters should be sampled for a 90% confidence interval? Round y to the nearest whole number Ex-1234 voters
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   confidence level         critical value        0.90                            z*=1.645        0.95                            z*=1.960        0.99                            z*=2.576A poll reported 34% support for a state wide election with a margin error of 1.64 percentage points                               

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