=+) Create a 95% confidence interval for the proportion of U.S. chemical companies with ISO 14001 certification.
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=+) Create a 95% confidence interval for the proportion of U.S. chemical companies with ISO 14001 certification.
(Be sure to check conditions.) Compare to the Canadian proportion.
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Related Book For
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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