A 95% confidence interval is built for the population proportion using 200 observations. a) If the chosen
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A 95% confidence interval is built for the population proportion using 200 observations.
a) If the chosen confidence level was instead 90%at the same sample size, which confidence interval would be wider, the 90% one or the 95% one?
b) If the sample size would have been 250 and confidence level remained at 95%, which confidence interval would be wider: the one with n = 200 or the one with n = 250?
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Related Book For
Principles Of Managerial Statistics And Data Science
ISBN: 9781119486411
1st Edition
Authors: Roberto Rivera
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