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Contaminated water: In a sample of 43 water specimens taken from a construction site, 23 contained detectable levels of lead. (a) Construct a 99% condence

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Contaminated water: In a sample of 43 water specimens taken from a construction site, 23 contained detectable levels of lead. (a) Construct a 99% condence interval for the proportion of water specimens that contain detectable levels of lead. Round the answer to at least three decimal places. A 99% condence interval for the proportion of IMater specimens that contain detectable levels oflead is D

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