Question
A poll reported 52% support for a statewide election with a margin of error of 1.67 percentage points. How many voters should be sampled for
A poll reported 52% support for a statewide election with a margin of error of 1.67 percentage points. How many voters should be sampled for a 95% confidence interval? Round up to the nearest whole number.
| Confidence level | Critical value |
|---|---|
0.90 | z=1.645 |
0.95 | z=1.960 |
0.99 | z=2.576 |
PLEASE READ QUESTION CAREFULLY AND ANSWER CORRECTLY. I'VE ASKED THIS QUESTION MULTIPLE TIMES TODAY, AND EVERY ANSWER GIVEN BACK HAS BEEN INCORRECT.
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Calculus Single Variable
Authors: Deborah Hughes Hallett, Deborah Hughes Hallet, Andrew M Gleason, William G McCallum, Daniel E Flath, Patti Frazer Lock, David O Lomen, David Lovelock,
6th Edition
1118748611, 9781118748619
