According to the 2019 National Coffee Drinking Study from the National Coffee Association, 63% of 2,815 U.S.
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According to the 2019 National Coffee Drinking Study from the National Coffee Association, 63% of 2,815 U.S. adults respondents reported drinking coffee in the past 24 hours. Based on these data, a theory-based 99% confidence interval for the proportion of all adult Americans that drank coffee in the previous 24 hours is:
A. 0.6149 to 0.6448
B. 0.6120 to 0.6477
C. 0.6064 to 0.6533
D. 0.5930 to 0.6670
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Related Book For
Introduction To Statistical Investigations
ISBN: 9781119683452
2nd Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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