MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A 99% confidence interval for the proportion of the population in Category A given that 21% of a sample of 400 are in Category A.
Round your answer for the point estimate to two decimal places, and your answers for the margin of error and the confidence interval to three decimal places.
Point estimate = .
Margin of error =±.
The 99% confidence interval is to .
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