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leedleee
27.07.2021 •
Mathematics
Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to thegiven statistics and confidence level. Round the margin of error to four decimal places.1)99% confidence; n
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Ответ:
Step-by-step explanation:
Given
Required
The margin of error (E)
First, calculate proportion p
Given that:
Calculate the alpha leve;
Divide by 2
Subtract from 1
The corresponding z value is:
So, the margin of error is:
So, we have:
Using a calculator, we have:
Approximate
Ответ: