In a random sample of 150 complaints filed against a construction company for mixing excess sand in
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In a random sample of 150 complaints filed against a construction company for mixing excess sand in their concrete mixture, 95 complaints showed that the proportion of sand in the mix exceeded 75 percent. Construct a \(90 \%\) confidence interval for the true proportion of complaints filed against this construction company where the proportion of sand exceeded 75 percent, using the large sample confidence interval formula.
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Related Book For
Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
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