Contaminated water: in a sample of 42 water specimens taken from a construction site, 26 contained detectable levels of lead. a) Construct a 90% confidence intervals for the proportion of water specimens that contain detectable levels of lead. Round your answer to at least 3 decimals places.  A 90% confidence interval for the proportion of water specimens that contain detectable levels of lead is ------< p < ______

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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Contaminated water: in a sample of 42 water specimens taken from a construction site, 26 contained detectable levels of lead.

a) Construct a 90% confidence intervals for the proportion of water specimens that contain detectable levels of lead. Round your answer to at least 3 decimals places. 

A 90% confidence interval for the proportion of water specimens that contain detectable levels of lead is ------< p < ______

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