In Canada, the vast majority (90%) of companies in the chemical industry are ISO 14001 certified. The
Question:
a) What proportion of the sample reported being certified?
b) 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
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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