The makers of a medicated facial skin cream are interested in determining the percentage of people in
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The makers of a medicated facial skin cream are interested in determining the percentage of people in a given age group who may benefit from the ointment.
A random sample of 68 people results in 42 successful treatments. Give a 99% confidence interval for the proportion of people in the given age group who may be successfully treated with the facial cream.
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Related Book For
Complete Business Statistics
ISBN: 9780077239695
7th Edition
Authors: Amir Aczel, Jayavel Sounderpandian
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