=+a) Someone suggests that the city use its data to create a 95% confidence interval instead of

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=+a) Someone suggests that the city use its data to create a 95% confidence interval instead of the 90% interval first created. How would this interval be better for the city?

(You need not actually create the new interval.)

M11_SHAR8696_03_SE_C11.indd 389 14/07/14 7:30 AM 390 CHAPTER 11 Confidence Intervals and Hypothesis Tests for Means

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Business Statistics Plus Pearson Mylab Statistics With Pearson Etext

ISBN: 978-1292243726

3rd Edition

Authors: Norean R Sharpe ,Richard D De Veaux ,Paul Velleman

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