Question
A poll reported 39% support for a statewide election with a margin of error of 1.8 percentage points. How many voters should be sampled for
A poll reported 39% support for a statewide election with a margin of error of 1.8 percentage points. How many voters should be sampled for a 99% 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 |
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Foundations of Financial Management
Authors: Stanley Block, Geoffrey Hirt, Bartley Danielsen, Doug Short, Michael Perretta
10th Canadian edition
1259261018, 1259261015, 978-1259024979
