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In a survey, the planning value for the population proportion is 0.45. How large a sample should be taken to provide a 95% confidence interval
In a survey, the planning value for the population proportion is 0.45. How large a sample should be taken to provide a 95% confidence interval with a margin of error of 0.02?
a | 1522 |
b | 1965 |
c | 2377 |
d | 4226 |
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